From how long should a force of 50n act on a body of 10kg so that it acquires a velocity of 100m/s quora answers
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According to Newton's 2nd law
F=m*a
F=m*(v-u)/t
t=m*(v-u)/F
t=10*(50–0)/50
t=10 s
2nd way to solve =
From Newton’s second law of motion
rate of change of momentum is proportional to change in momentum
m*v = Ft
t = m*v/F\
t = 10*50/50
t = 10 sec
F=m*a
F=m*(v-u)/t
t=m*(v-u)/F
t=10*(50–0)/50
t=10 s
2nd way to solve =
From Newton’s second law of motion
rate of change of momentum is proportional to change in momentum
m*v = Ft
t = m*v/F\
t = 10*50/50
t = 10 sec
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