ECAT Pre Computer Science Chapter 4 MCQ Test With Answer

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

Try The 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

Work-energy principle states that work done on the body by applied force is equal to change in:

Question # 2

The field in which work done is moving body between two points depends upon the path followed is called:

Question # 3

A labourer carrying a distance a load on his head moves from rest on a horizontal road to another point where he comes to rest. He has done:`

Question # 4

The tidal energy is produced due to rotation of Earth relative to:

Question # 5

A field in which the work done is moving a body along closed path is zero is called:

Question # 6

When the body is moves against the force of friction on a horizontal plane, the work done by the body is:

Question # 7

Work is a:

Question # 8

In the force applied is parallel to the direction of motion, then work done is:

Question # 9

In the force applied to parallel to the direction of motion, then the work done is:

Question # 10

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

Question # 11

The types of mechanical energy is/are:

Question # 12

A field in which the work done in moving a body along closed path is zero is called

Question # 13

The angle between centripetal force and displacement of the body moving in a circle is:

Question # 14

1 J = ________?

Question # 15

When velocity of moving body is doubled, the quantity which is also doubled is its:

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 The tidal energy is produced due to rotation of Earth relative to:
A. Moon
B. Sun
C. Oceans
D. Water
2 The work performed on an object does not depend on:
A. Force applied
B. Angle at which force is inclined to the displacement
C. Initial velocity of the object
D. Displacement
3 When two protons are brought are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these
4 A body moves a distance of 10 m along a straight line under the action of a force of 5 N and work done in 25J. The angle which the force makes with the direction of motion will be
A. 60°
B. 90°
C. 30°
D. 0°
5 Maximum work is done when force and displacement are
A. Parallel
B. Antiparallel
C. Perpendicular
D. Both a and b
6 Work done is maximum when angle between force and displacement is:
A. 0°
B. 90°
C. 180°
D. None of these
7 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°
8 Work is a:
A. Scalar quantity
B. Vector quantity
C. Base quantity
D. None of these
9 The value of escape velocity of Earth planet comes out to be:
A. 11 m/sec
B. 11 km/sec
C. 11 km/hour
D. 11 cm/sec
10 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

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