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Mohan Sharma
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Asked: 2025-02-07T04:46:17+00:00 In:

An object of mass 2 kg is sliding with a constant velocity of 4 m/s on a frictionless horizontal table. The force required to keep the object moving with the same velocity is

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0%(a) 32 N
100%(b) O N ( 1 voter )
0% (c) 2 N
0%(d) 8 N
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The correct answer is (b) 0 N.
Since the table is frictionless and the object is already moving with a constant velocity of 4 m/s, no external force is required to maintain its motion. According to Newton’s First Law, an object in motion stays in motion unless acted upon by an external force.
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    1 Answer

    1. (b) 0 N. Since velocity is constant, so acceleration and hence force applied is zero.

      https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-8/

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