Question

A force of 100 N acts on a body of mass 2 kg for 10 s. Find the change in the velocity of the body.

• A. 100 m $s^{-1}$
• B. 250 m $s^{-1}$
• C. 500 m $s^{-1}$
• D. 1000 m $s^{-1}$

Answer 1

The correct option is C 500 m $s^{-1}$

Force=mass*acceleration

$F=ma=m\ast \frac{\Delta v}{t}$

$\Delta v=\frac{F\ast t}{m}=\frac{100\ast 10}{2}=500m/s$