Mechanics

Join the rest of this class at this link; https://myschool.ng/classroom/topic-videos?subject=physics In this video on the deformation of solids, we explore the elastic properties of materials and explain Hooke’s Law, covering key concepts such as stress, strain, elastic limit, and Young’s modulus. We also solve simple problems related to the work done in stretching and compressing springs and elastic strings. OBJECTIVES: 1. Explain the elastic properties of substances 2. State Hooke’s law and show an understanding of the terms stress, strain, elastic limit, and Young’s modulus. 3. Solve simple problems on work done in stretching or compressing a spring and elastic strings. If you're yet to join the full Physics class or if you have Physics problems with any topic in your syllabus, ensure you join the Physics class by subscribing at this link; https://myschool.ng/store/view/physics-video-lessons-for-jamb-waec-neco-and-nabteb-candidates-ss1-ss2-and-ss3-students

Join full class at this link; https://myschool.ng/classroom/topic-videos?subject=physics Get in-depth, detailed topic-by-topic video lessons on Physics, specially designed for candidates preparing for exams such as JAMB, WAEC, NECO and NABTEB. These video lessons attempt to cover all syllabus in these exams, and are therefore also useful to students in senior secondary schools, SS1, SS2 and SS3. Become a full student now by subscribing at this link; https://myschool.ng/store/view/physics-video-lessons-for-jamb-waec-neco-and-nabteb-candidates-ss1-ss2-and-ss3-students In this Physics lesson, you will learn the following topics; 1. MECHANICS *Quantities and their units/ measurements *Motion: projectile motion, linear motion, Newton’s laws of motion. *Energy: work, energy and power, simple machines *Friction *Equilibrium of forces *Simple harmonic motion *Fluid and solid: simple structure of matter, fluid at rest, deformation of solid. 2. ASTROPHYSICS *Satellite *Rockets 3. THERMODYNAMICS *Heat and temperature: temperature, thermal expansion and gas laws *Heat transfer: temperature gradient, thermal conductivity, and heat flux, thermos flask, sea, and land breeze. *Heat energy: heat capacity and specific heat capacity, change of state. *Evaporation and boiling: humidity, relative humidity and dew point, vapour, formation of dew, mist, fog and rain. 4. WAVE *Wave *Sound wave: sources of sound wave, speed of sound in different mediums, understanding beats, echo and reverberation and their application, characteristics of sound, noise and music. *Vibration in springs and pipes: forced vibration and resonance, harmonics and overtones, vibration of air in pipes. 5. LIGHT AND OPTICS *Reflection of light: Sources of light, propagation of light, formation of shadow and eclipse, pin hole camera. formation of images by plane, concave and convex, use of the mirror formula. *Refraction of light: refraction of light through plane and curved surface, definition of refractive index of a meduim, real apparent and lateral displacement, critical angle, total internal reflection and fiber optics. *Application of lense in optical instruments: simple camera etc, angular magnification, the human eyes, dispersion of white light, colours. 6. FIELD *Description of field *Gravitational field: Newton’s law of gravitation, gravitational field intensity and gravitational potential, escape velocity. *Electric field1: production of charges, types of distribution of charges, electric lines of force, storage of charges. *Electric field 2: electric field, electric field intensity and electric potential, capacitance. *Current electricity: simple cell, potential difference and electric current, resistors, ohm’s law. *Energy and power: shunt and multiplier, resistivity and conductivity, electrical measurement . *Magnetic field: concept of magnetic field, electric motor and moving coil galvanometer, the earth’s magnetic field . *Electromagnetic field: concept of electromagnetic field, electromagnetic induction and application e.g generator, transformer, eddy current, inductance, power transmission and distribution. *Simple a.c circuit: graphical representation of e.m.f and current in a.c circuit, peak and RMS value, resonance in a.c circuit, reactance and impedance in a.c. circuit, power in a.c circuit, series circuit containing capacitor, resistor and inductor, vector diagram. 7. ATOMIC PHYSICS *Structure of the atom: energy quantization, photoelectric effect, thermionic emission and application, x-ray *Laser *Semiconductors *Structure of the nucleus: composition of the nucleus, radioactivity, nuclear reaction. *Wave particle paradox: electron diffraction, duality of matter.

Join the rest of this class at this link; https://myschool.ng/classroom/topic-videos?subject=physics This video unravels fundamental and derived quantities and units with clear examples. Understand the difference between them and explore the S.I unit system. learn how to derive the dimensions of physical quantities and their practical uses, while noting their limitations. The following are the learning objectives: * The meaning of fundamental and derived quantities and units. * Give examples of various fundamental quantities and units. * State the differences between fundamental quantities and units. * State the system of units,types and merits of S.I unit. * Derive the dimensions physical quantities. * State the uses and limitation of dimensions. If you're yet to join the full Physics class or if you have Physics problems with any topic in your syllabus, ensure you join the Physics class by subscribing at this link; https://myschool.ng/store/view/physics-video-lessons-for-jamb-waec-neco-and-nabteb-candidates-ss1-ss2-and-ss3-students

Join the rest of this class at this link; https://myschool.ng/classroom/topic-videos?subject=physics This video covers the basis of mass, length, and time measurement. learn about tools like vernier calipers, micrometer screw gauge, etc, their uses, and how to easily read them. Discover the relationship between weight and mass, and gain practical tips for accurate measurements and calculations involving weight and mass. The following are the learning objectives: * Meaning of mass, length and time. * Instruments for measuring length, mass, and time * How to read the vernier caliper and micrometer screw gauge. * Measurement of weight and mass * Relationship between weight and mass. * Calculations involving weight and mass. If you're yet to join the full Physics class or if you have Physics problems with any topic in your syllabus, ensure you join the Physics class by subscribing at this link; https://myschool.ng/store/view/physics-video-lessons-for-jamb-waec-neco-and-nabteb-candidates-ss1-ss2-and-ss3-students

Join the rest of this class at this link; https://myschool.ng/classroom/topic-videos?subject=physics Embark on a journey into the fascinating world of motion in this educational video, explore the types of motion, and discover how forces such as gravity cause objects to move. learn about relative motion and the relationship between linear and angular velocity in circular motion. Gain insights into centripetal acceleration and forces in this informative and educative video. The following are the learning objectives: (1) Define motion (2) Explain the types of motion with examples (3) Say the cause of motion (4) Explain relative motion (5) Define circular motion (6) Show the relationship between linear velocity and angular velocity (7) Explain centripetal acceleration and force (8) Solve simple calculations involving centripetal acceleration and force If you're yet to join the full Physics class or if you have Physics problems with any topic in your syllabus, ensure you join the Physics class by subscribing at this link; https://myschool.ng/store/view/physics-video-lessons-for-jamb-waec-neco-and-nabteb-candidates-ss1-ss2-and-ss3-students

Join the rest of this class at this link; https://myschool.ng/classroom/topic-videos?subject=physics Learn about friction in this informative video! Discover how friction is a force that resists the motion between two surfaces in contact and moving relative to each other. Explore the types of frictional forces, the advantages and disadvantages of friction, and the laws of solid friction. Find out various methods to reduce friction and understand the concept of banking angle, along with its derivation. The following are the learning objectives: (1) Identify a force resisting the motion between two surfaces in contact and moving relative to each other. (2) Identify and explain the types of frictional force (3) State the advantages and disadvantages of friction (4) State the laws of solid friction (5) Mention methods of reducing friction (6) Define and derive the banking angle. If you're yet to join the full Physics class or if you have Physics problems with any topic in your syllabus, ensure you join the Physics class by subscribing at this link; https://myschool.ng/store/view/physics-video-lessons-for-jamb-waec-neco-and-nabteb-candidates-ss1-ss2-and-ss3-students

Join the rest of this class at this link; https://myschool.ng/classroom/topic-videos?subject=physics Uncover the fundamentals of linear motion – displacement, velocity, and acceleration – in an easy-to-understand format. Explore concepts like uniform motion and acceleration, and visualize motion on graphs. Practice solving simple speed and velocity problems for a hands-on learning experience. Join us for a simplified exploration of linear motion basics. The following are the learning objectives: (1) Explain the concept of linear motion (2) list and explain the parameters of motion (3) Explain the concept of uniform motion, instantaneous speed/velocity, and uniform acceleration. (4) Explain the concept of uniform motion, instantaneous speed/velocity, and uniform acceleration. (5) Explain the terms used in the equation of motion (6) Show on a (v-t) graph the motion of a body with: (i) Uniform velocity (ii) Uniform acceleration (iii) Variable acceleration/instantaneous velocity (7) Deduce the distance covered between any time intervals on a (v-t) graph, Solve simple problems on speed, velocity, and acceleration. If you're yet to join the full Physics class or if you have Physics problems with any topic in your syllabus, ensure you join the Physics class by subscribing at this link; https://myschool.ng/store/view/physics-video-lessons-for-jamb-waec-neco-and-nabteb-candidates-ss1-ss2-and-ss3-students

Join the rest of this class at this link; https://myschool.ng/classroom/topic-videos?subject=physics In this lesson video, we covered the fundamentals of projectile motion. We defined projectile motion and provided examples to illustrate its concepts. Through detailed explanations, we derived formulas for calculating the range, maximum height, and time of flight of a projectile. We then solved simple problems to demonstrate the application of these concepts in real-world scenarios. The following are the learning objectives: (1) State the meaning of projectile motion (2) State the meaning of projectiles with examples (3) Derive the range, maximum height and time of flight of a projectile (4) Note the application of projectiles (5) Solve simple problems on projectile If you're yet to join the full Physics class or if you have Physics problems with any topic in your syllabus, ensure you join the Physics class by subscribing at this link; https://myschool.ng/store/view/physics-video-lessons-for-jamb-waec-neco-and-nabteb-candidates-ss1-ss2-and-ss3-students

Join the rest of this class at this link; https://myschool.ng/classroom/topic-videos?subject=physics In this instructive video lesson, we unraveled Newton's laws of motion and delved into the fundamental concept of momentum. Gain insight into the relationships among forces, acceleration, and mass encapsulated within the crucial equation F = ma. Explore the law of conservation of momentum through engaging problem-solving exercises. learn about gun recoils, jet propulsion, and the variability of weight in different locations. The following are the learning objectives: (1) State and explain in his or her own words the meaning of each of Newton’s three laws of motion. (2) Show graphically: (i) The relationship between the acceleration produced by a given set of forces acting on the same mass (ii) The relationship between the acceleration produced by a constant force on varying masses (iii) Know that the results from (i) and (ii) lead to the equation F = ma . (3) Solve simple problems based on Newton’s law of motion and the principle of momentum (4) state and explain the meaning of the law of conservation of linear momentum. (5) Solve simple problems involving the conservation of linear momentum. (6) Explain: (i) why gun recoils when fired (ii) How a jet or rocket is propelled . (7) Explain inertial mass and the relationship between mass and weight. (8) Explain why weight of a body may vary from place to place. If you're yet to join the full Physics class or if you have Physics problems with any topic in your syllabus, ensure you join the Physics class by subscribing at this link; https://myschool.ng/store/view/physics-video-lessons-for-jamb-waec-neco-and-nabteb-candidates-ss1-ss2-and-ss3-students

Join the rest of this class at this link; https://myschool.ng/classroom/topic-videos?subject=physics In this educational video, we delve into the fundamental concept of scalars and vectors. Learn how to distinguish between scalar and vector quantities, and their unique representations. Follow along as we compose at least two vectors and explain the meaning of the resultant of two vectors. By the end of this video, you should have a solid understanding of these core principles. Don't forget to subscribe for more educational content. The following are the learning objectives: (1) Explain the concept of scalars and vectors (2) Distinguish between scalar and vector quantities and their representation (3) Compose at least two vectors (4) Explain the meaning of the resultant of two vectors (5) Resolve a vector into a given direction (6) Resolve any number of vectors into two components at right angles to each other (7) Solve simple problems involving resolution and addition of vectors using analytical and graphical methods. If you're yet to join the full Physics class or if you have Physics problems with any topic in your syllabus, ensure you join the Physics class by subscribing at this link; https://myschool.ng/store/view/physics-video-lessons-for-jamb-waec-neco-and-nabteb-candidates-ss1-ss2-and-ss3-students