Question

A constant force is applied on 10 kg
mass of a body for 2 second. If
velocity of body is increased from
5m/sec to 11m/sec then force applied
is -
(A) 10 Newton
(B) 20 Newton
(C) 30 Newton
(D) 40 Newton​

Answer 1

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Mass(m)=10kg

Time (t)=2s

Initial Velocity (u)=5m/s

Final Velocity (v)=11m/s

F=ma

F=m×(v-u/t)

F=10×(11-5/2)

F=10×3

F=30 N

(c)30 Newton

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