January 2026
Intermediate
456 pages
15h 47m
English

Key Ideas
After completing this chapter, you should be able to:
✦ classify forces, friction and types of friction, advantages and its disadvantages.
✦ state Newton’s laws of motion and law of conversation of momentum.
✦ understand potential and kinetic energies and their derivations, centre of gravity, transformation of energy and law of conservation of energy.
✦ learn about equilibrium of bodies, levers, pulley and inclined plane.
Remember
Before beginning this chapter, you should be able to:
☛ know types of motion and to ...
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