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Work Energy Theorem

A block of ma...

Question

A block of mass 300 gram is pulled up on a slope by a distance of 200 centimetre by applying a force of 200 gf . calculate work done by force in moving the block and gain in potential energy (Take inclination of slope 60 degree)

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A

, whose weight is

200 N

, is pulled up a slope of length

5 m

by means of a constant force

F (= 150 N)

as illustrated in the figure.The difference in work done by the force and the increase in potential energy of the block is :

A block A,weighing 100 N,is pulled up a slope of length 5 m by means of a constant force F(=100 N) as illustrated in the figure.

(a) What is the work done by the force F in moving the block A,5 m along the slope?

(b) What is the increase in potential energy of the block A?

(c) Account for the difference in the work done by the force and the increase in potential energy of the block.

Q. A block of mass

10 kg

is slowly slid up a smooth inclined plane of inclination

37^{\circ}

by a person. Calculate the work done by the person in moving the block through a distance of

20 m

along the incline, if the person applies the force parallel to the inclined plane. Take

g = 10 {m/s}^{2}

.

A

, whose weight is

200 N

, is pulled up a slope of length

5 m

by means of a constant force

F (= 150 N)

as illuminated in figure. By how much has the potential energy of the block

A

A

, whose weight is

200 N

, is pulled up a slope of length

5 m

by means of a constant force

F (= 150 N)

as illustrated in Figure.

What is the work done by the force

F

in moving the block

A, 5 m

along the slope?

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