A 1000 kg car is moving with a speed of 20 m/s is brought to rest in a distance of 15m, the unbalanced force acting on the car in Newtons will be
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A 1000 kg car is moving with a speed of 20 m/s is brought to rest in a distance of 15m, the unbalanced force acting on the car in Newtons will be
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2as=v^2-u^2
or,s= v^2-u^2 / 2a
or,a= -(20)^2 / 2×15
or, a= -400/30
or, a= -40/3
therefore, F= m.a
or, F= 1000×40/3
or, F=( 10)^4 × 4/3
or, F= 1.3333 × 10000
or, F= 13333 N