An object of mass $2 k g$ is sliding with a constant velocity of $4 m s^{- 1}$ on a frictionless horizontal table. The force required to keep the object moving with the same velocity is:

32 N

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0

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2 N

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8 N

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Solution

The correct option is B $0$
Ideally, a frictionless horizontal table has no resistance to motion.
Therefore, the object will continue to slide at $4 m s^{- 1}$ without any application of force.
$∴$ The force required to keep the object moving = $0$

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Q. Question 6
An object of mass 2 kg is sliding with a constant velocity of 4 ms^-1 on a frictionless horizontal table.
The force required to keep the object moving with the same velocity is
(a) 32 N
(b) 0 N
(c) 2 N
(d) 8 N

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An object of mass 2 kg is sliding with a constant velocity of 4 ms−1 on a frictionless horizontal table. The force required to keep the object moving with the same velocity is:

The correct option is B 0 Ideally, a frictionless horizontal table has no resistance to motion. Therefore, the object will continue to slide at 4 ms−1 without any application of force. ∴ The force required to keep the object moving = 0

An object of mass $2 k g$ is sliding with a constant velocity of $4 m s^{- 1}$ on a frictionless horizontal table. The force required to keep the object moving with the same velocity is:

The correct option is B $0$
Ideally, a frictionless horizontal table has no resistance to motion.
Therefore, the object will continue to slide at $4 m s^{- 1}$ without any application of force.
$∴$ The force required to keep the object moving = $0$