Question

An object of mass 2 kg 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 

(a) 32 N 

(b) 0 N 

(c) 2 N 

(d) 8 N

Answer 1

The force required to keep the object moving with the same velocity is 

(b) 0 N