a body of mass 5kg is moving on a horizontal surface with a velocity of10m/s comes to rest in 2sec the force required to make this body move with a velocity 10m/s on the same surface is
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f=ma
m=5 kg
and acceleration= v-u/t
= 10-0/2= 5
therefore f= 5×5= 25N
m=5 kg
and acceleration= v-u/t
= 10-0/2= 5
therefore f= 5×5= 25N
chinnu41:
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impulse is force into time
nd force is mass into acceleration
substitute the values u get ans
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hey mate the answer is 25N
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