ECAT Pre Computer Science Chapter 4 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 4 Work and Energy

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ECAT Physics Chapter 4 Work and Energy

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Question # 1

The work done on the body will be zero if:

Question # 2

If force and displacement are in opposite direction, the work done is taken as

Question # 3

A body moves a distance of 10 m along a straight line under the action of a force of 5 N and work done is 25J. The angle which the force makes the direction of motion will be:

Question # 4

Which force is not a conservative force:

Question # 5

Which one is conservative force

Question # 6

Which force is not a conservative force?

Question # 7

Work done in lower and bucket into the well is:

Question # 8

The dimensions of work

Question # 9

The work done in moving a body between two points in a conservative field is independent of the

Question # 10

The work done in moving a body between two points in a conservation field is independent of the:

Question # 11

SI Unit of work is

Question # 12

Work has the dimension as that of:

Question # 13

A body moves a distance of 10 m along a straight line under the action of a force of 5 N. If the work done is 25 J, the angle which force makes with the direction of motion of a body is:

Question # 14

Work done is maximum when angle between force and displacement is:

Question # 15

Work is product of:

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 A body moves a distance of 10 m along a straight line under the action of a force of 5 N. If the work done is 25 J, the angle which force makes with the direction of motion of a body is:
A. 0°
B. 30°
C. 60°
D. 90°
2 If we draw a graph between d (along x-axis) and F (along y-axis) and get a straight line horizontal to x-axis, then area under this straight line represents:
A. Power
B. Work
C. Pressure
D. None of these
3 The work done in moving a body between two points in a conservative field is independent of the
A. Direction
B. Force applied
C. Path followed by the body
D. Power
4 The space around the earth within which it expects a force of attraction on other bodies is known as:
A. Nuclear field
B. Conservative field
C. Electric field
D. Gravitational field
5 Work done by the force of friction is always
A. Positive
B. Zero
C. Negative
D. Maximum
6 If force and displacement are in opposite direction, the work done is taken as:
A. Positive work
B. Negative work
C. Zero work
D. Infinite work
7 Energy stored in the spring of a watch is called
A. Potential energy
B. Kinetic energy
C. Nuclear energy
D. Elastic potential
8 Area under the force displacement graph gives
A. Power
B. Work
C. Heat
D. Energy
9 Work done is maximum when angle between force and displacement is:
A. 0°
B. 90°
C. 180°
D. None of these
10 A body moves a distance of 10 m along a straight line under the action of a force of 5 N and work done is 25J. the angle which the force makes with the direction of motion will be:
A. 60°
B. 90°
C. 30°
D. 0°

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