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Question (1)

QN0035163

A particle moves under the effect of a force from to , the work done in the process is

(A)
(B)
(C)
(D)
zero

Correct Answer: B

Explanation:

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Question (2)

QN0035164

Calculate the work done on the tool by if this displacement is along the straight line that connects these two points.

(A)
(B)
(C)
(D)

Correct Answer: C

Explanation:

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Question (3)

QN0035165

Calculate the work done on the tool by if the tool is first moved out along the -axis to the point and then moved parallel to the -axis to .

(A)
(B)
(C)
(D)

Correct Answer: A

Explanation:

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Question (4)

QN0035166

A force acting on an object varies with distance as shown here. The force is in and in . The work done by the force in moving the object from to is

(A)
(B)
(C)
(D)

Correct Answer: B

Explanation:

Work done area under -x graph

area of trapezium

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Question (5)

QN0035167

A force acts on a particle such that its position changes as shown in the figure. The work done by the particle as it moves from to is

(A)
(B)
(C)
(D)

Correct Answer: C

Explanation:

area of graph

area of area of rectangle + area of

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Question (6)

QN0035168

A particle moves in one dimension from rest under the influence of a force that varies with the distance travelled by the particle as shown in the figure. The kinetic energy of the particle after it has travelled is :

(A)
(B)
(C)
(D)

Correct Answer: C

Explanation:

We know area under - graph gives the work done by the body

Using work energy theorem,

work done

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Question (1)

A particle moves under the effect of a force from to , the work done in the process is

Explanation:

Link:

Question (2)

Calculate the work done on the tool by if this displacement is along the straight line that connects these two points.

Explanation:

Link:

Question (3)

Calculate the work done on the tool by if the tool is first moved out along the -axis to the point and then moved parallel to the -axis to .

Explanation:

Link:

Question (4)

A force acting on an object varies with distance as shown here. The force is in and in . The work done by the force in moving the object from to is

Explanation:

Link:

Question (5)

A force acts on a particle such that its position changes as shown in the figure. The work done by the particle as it moves from to is

Explanation:

Link:

Question (6)

A particle moves in one dimension from rest under the influence of a force that varies with the distance travelled by the particle as shown in the figure. The kinetic energy of the particle after it has travelled is :

Explanation:

Link:

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