A mass of 10kg is at A point a on table . It is moved to a point B is the line joining A and B is horizontal ,what is the work done on the object by the gravitational force? explain your answer?
Answers
Answer:
Frictional force plays an important role in our daily life.
A running car or bicycle uses friction to stop. As the driver steps on the breaks, the vehicles slows down to a full stop. This is possible because of the friction between the brakes and the wheels.
When the biker squeezes a lever on the handlebar, rubber brake pads press against the bicycle wheel rim. Friction between the brake pads and the wheel slows down or stops the bicycle.
Walking, running, playing, writing, standing cannot be possible without friction. Because of friction, there is control over steps. Friction keeps your shoes from sliding as you walk.
Explanation:
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Answer:Force of gravity and displacement are perpendicular to each other. Hence, work done is zero.