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Question
When an object is slided on a flat rough surface, it is difficult to attain a uniform motion primarily because of ____.
When an object is slided on a flat rough surface, it is difficult to attain a uniform motion primarily because of ____.
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Solution
The correct option is B friction
Frictional force is a contact force. It opposes the relative motion between the surfaces in contact. Since friction is acting against the direction of motion of the body, it eventually comes to rest.
Frictional force is a contact force. It opposes the relative motion between the surfaces in contact. Since friction is acting against the direction of motion of the body, it eventually comes to rest.
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