Question

5 Kg Cart is pushed by a 30 N force against friction for a distance of 10m in 5 seconds. Determine the Power needed to move the cart.


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Answer 1

Answer:

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Answer 2

Given: A 5kg cart is pushed by 30 N force against friction for a distance of 10 m in 5 seconds.

To find: Power needed to move the cart

Explanation: Force on the cart= 30 N

Mass of cart= 5 kg

Distance travelled= 10 m

Time= 5 seconds

Velocity= Distance/ Time

= 10/5

= 2 m/s

Now,

Power required= Force * Velocity

= 30 * 2

= 60 W

The power needed to move the cart is 60 Watt.