Neco 2023 Physics Question 5

Practice essay / theory question 5 from the 2023 Neco Physics examination. This question covers Work, Energy, Power .

Neco 2023 Physics Essay / Theory

Topics: Work Energy Power

Question 5 NECO • 2023 • PHYSICS • essay

A block of mass 5.0 kg is released from rest at the top of an incline that makes an angle of 30° with the horizontal. The length of the incline is 8.0 m. The surface is rough with a coefficient of kinetic friction \(\mu_k = 0.20\).

Question Parts

( a )

Calculate the work done by gravity as the block slides down the incline.

( b )

Calculate the work done by the frictional force.

( c )

Determine the net work done on the block and the change in its kinetic energy.

( d )

Find the speed of the block at the bottom of the incline.

( e )

The block is then pulled back up the same incline by a motor at constant speed in 10.0 s. Calculate the average power output of the motor during this ascent.

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About This Question

This is Neco 2023 Physics Question 5. It is one of the essay questions from the 2023 Neco Physics examination.

The question covers Work, Energy, Power .

View More Neco 2023 Physics Questions More Neco Practice Questions Back to Questions

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