Laws Of Motion Question 420

Question: A body of mass 3kg is acted on by a force which varies as shown in the graph below The momentum acquired is given by

Options:

A) Zero

B) 5 N-s

C) 30 N-s

D) 50 N-s

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Answer:

Correct Answer: D

Solution:

[d] momentum acquired = Area of force - time graph

$ =\frac{1}{2}\times (2)\times (10)+4\times 10=10+40=50N-s $



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