An object of mass 2 kg is sliding with constant velocity 4 m/s on a frictionless horizontal table. The force required to keep the object moving with same velocity is _______.
Question
An object of mass 2 kg is sliding with constant velocity 4 m/s on a frictionless horizontal table. The force required to keep the object moving with same velocity is _______.
Solution
The force required to keep the object moving with the same velocity is 0 Newtons.
Here's why:
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The object is moving on a frictionless surface. This means there is no force resisting its motion.
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According to Newton's first law of motion, an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
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Since there is no friction or any other force acting on the object, there is no need for an additional force to keep it moving at the same velocity.
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Therefore, the force required is 0 Newtons.
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