A truck starts from rest and rolls down a hill with a constant acceleration he travels
a distance of 500 meter in 50 seconds. Find its acceleration. Find the force acting on it
if its mass is 3 tonnes. (1 tonne = 1000 kg)
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Answer:
a = 0.4
F = 1200N
Explanation:
by using second equation of motion
s = ut + 1/2at^2
500 = 0×50 + 1/2a ×(50)^2
500 = 1/2a × 2500
2500a = 1000
a = 1000/2500
a=0.4m/sec^2
Force = mass × acceleration
Force = 3000 ×0.4
Force = 1200N
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