Problem based on acceleration and force — task. Science CBSE, Class 9.

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A truck starts from rest and rolls down a hill with a constant acceleration. It travels a distance of 450 \(m\) in 20 \(s\).

Find its acceleration.

Find the force acting on it if it’s mass is 6 \(tonnes\).

(Hint: \(1 tonne = 1000 kg.\))(Enter the values up to two decimal)

Answers:

1. Acceleration -

m s^{- 2}

2. Force - \(N\)

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12. Problem based on acceleration and force