An object of mass 10g is sliding with constant velocity of 2m/s on a friction less horizontal table the force required to keep the object moving with the same velocity is?
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Answer:
The force required to keep the object moving with the same velocity on a frictionless surface will be zero.
Explanation:
Newton's 1st law of motion states that when there is no external force acting on the object, it will remain in its original state of motion.
As the surface is frictionless, no force is acting on the object and to move the body with same velocity no force is required. When velocity does not changes, acceleration is zero. Hence no force is required to move an object with same velocity.
Hence the required force will be zero to keep the object moving with constant velocity.
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