CALCULATION OF GRAVITATIONAL FORCES
CALCULATION OF WORK DONE AGAINST GRAVITY Suppose you lift an object of mass 1kg from the ground to a height of 1m, the work done in lifting the abject is… Read More »CALCULATION OF GRAVITATIONAL FORCES
Methods of reducing friction
FRICTIONAL FORCES
To stop a moving object, a force must act in the opposite direction to the direction of motion. For instance, if you push your book across your desk, the book… Read More »FRICTIONAL FORCES
NEWTON LAWS OF MOTION
Newton’s first law (law of inertia) This law states that “A body continues in its state of rest or uniform motion unless an unbalanced force acts on it”. The mass… Read More »NEWTON LAWS OF MOTION
