DISADVANTAGES OF FRICTION

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

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

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