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Laws of Motion
Impulse and Newton's Second Law
1 question from 1 paper, each with its answer.
- question
- 1
- paper
- 1
- of Laws of Motion
- 1.39%
Concepts tested
- Average force from change in momentum
All Questions
2001 AIPMT 1 question
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A cricketer catches a ball of mass 150 gm in 0.1 second moving with speed 20 m s$^{-1}$. Then he experiences force of : -Impulse = change in momentum, and average force $F = \dfrac{\Delta P}{\Delta t}$.
The ball comes to rest, so $\Delta P = mv = 150 \times 10^{-3} \times 20 = 3$ kg m/s
$F = \dfrac{3}{0.1} = 30$ N