Laws Of Motion Question 197
Question: A ball of mass 0.2 kg moves with a velocity of 20 m/sec and it stops in0.1 sec; then the force on the ball is[BHU 1995]
Options:
A) 40 N
B) 20 N
C) 4 N
D) 2 N
Show Answer
Answer:
Correct Answer: A
Solution:
$ F=ma $
$ =\frac{m\Delta v}{\Delta t}=\frac{0.2\times 20}{0.1}=40\ N $
