Q.
A force is applied for a duration of 10 sec on a body of mass 5 kg that is at rest. As a result the body acquires a velocity of 2 ms–1. Find the magnitude of the average force applied.
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a
1 N
b
2 N
c
4 N
d
5 N
answer is A.
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Detailed Solution
F = Average force =Change in momentumtime interval
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