Question

a constant acts on a body of mass 0.9 kg at rest for 10sec if the body moves a distance 250m the magnitude of force is

Answer 1

here d= 250m
t= 10 seconds
initial velocity(u)= 0
using equation d= ut +1/2 at2, we will get
250 = 50 xa
a=5m/s2
force= mass x acceleration = 0.9ks x 5m/s2 = 4.5 newton
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