Question

A bowling machine Projects A ball of mass 0.15 kg in upward direction if ball displaced along bowling machine 0.2 M and released. after the released from bowling mission ball attain 20m height then find the force exerted by bowling machine on the ball​

Answer 1

Answer:

200N is the Force applied

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Explanation:

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Answer 2

It has given that, a ball of mass , m = 0.15 kg projects in upward direction. if ball displaced along bowling machine 0.2 m and released. after the released from the bowling machine ball attains 20 m height.

To find : The force exerted by bowling machine on the ball.

solution : from Work energy theorem,

workdone by the machine on the ball = potential energy gained by ball

force applied by the machine × displacement of ball along machine = weight of ball × total displacement covered by ball

⇒F × 0.2 m = mg × (20 + 0.2)

⇒F × 0.2 = 0.15 × 10 m/s² × 20.2

⇒F = 1.5 × 20.2/0.2 = 1.5 × 101 = 151.5 N

Therefore the force exerted by the bowling machine is 151.5 N