What change in velocity would be produced on a body of mass 4kg if a constant force of 16 N acts on it for 2s?

A. 0.5 m/s
B. 2.0 m/s
C. 8.0 m/s
D. 32.0 m/s
E. 128.0 m/s

Correct Answer:

Option C – 8.0 m/s

Explanation

F = m(v – u)/t;

(v – u) = Ft/m

= 8.0 m/s