Question

A body of mass $0.1kg$ attains a velocity of $10m{s}^{-1}$ in $0.1s.$ The force acting on the body is :

• A. 10 N
• B. 0.01 N
• C. 0.1 N
• D. 100 N

Answer 1

Answer: (A)

$F=ma=m\times \frac{\Delta v}{\Delta t}$
$=0.1\times \frac{10}{0.1}=10N$