A rolling ball slows down and stops after sometime. There is some kind of force that acts on the ball which slows it down and ultimately stops.it. This force is known as frictional force, or simply friction. The force of friction acts between the ball and the floor. It always opposes the motion; because of this force the ball slows down and then stops. If a body exerts a force on another body, placed in its contact, in a direction parallel to the contact surface, the force is called force of friction. It is always in the direction opposite to the direction of motion.
Force of friction depends on the smoothness of the surfaces in contact. If the two surfaces in contact are smooth, friction is very small. If the surfaces are rough, friction is large.
If a body exerts a force on another body, placed in its contact, in a direction parallel to the contact surface, then the force is called ______________ . | |||
Right Option : C | |||
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You tend to slip when you step on a banana peel lying on a smooth surface. This is due to _____________________________. | |||
Right Option : B | |||
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By which of the following way we cannot decrease the friction ? | |||
Right Option : D | |||
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