Laws of Motion - Result Question 8
8. If $a$ cricketer catches a ball of mass $150 gm$ moving with a velocity of $20 m / s$, then he experiences a force of (Time taken to complete the catch is $0.1 sec$.)
(a) $300 N$
(b) $30 N$
(c) $3 N$
(d) $0.3 N$
[2001]
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Answer:
Correct Answer: 8. (b)
Solution:
- (b) Net force experienced $=\frac{\text{ Total Impulse }}{\text{ Time taken }}$
$=\frac{m \Delta v}{t}=0.15 \times \frac{20}{0.1}=30 N$
