A bullet of mass 10 gram is fired with rifle the bullet takes 0.004s to move through the barrel and leaves it with a velocity of 400 m/s .calculate the force exerted on the bullet by Rifle
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Mass=10 gram=10/1000 kg =1/100 kg
Time=0.004 secs
v=400m/s
So, As we know that Force = Mass × Acceleration => mass × v-u/t
=>Force = 1/100 × 400-0/0.004 N
=>Force = 1000 N
Hence,Force applied by the rifle on the bullet is 10 Newton's.
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