Question

An object of mass 3 kg is sliding with a constant velocity of 2 m/s on a friction less horizontal table. How much force is required to keep the object moving with the same velocity ​

Answer 1

Explanation:

..an object of mass =3 kg.

constant velocity 2 m/s

force is required to keep the object moving with the same velocity=?

average velocity v av = total displacement/ t.t

v av = u+v/2

2m/s =3

m/s = 3/2

= 1 m/s...........

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