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

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 # 2

Work done is independent of path followed in _______

Question # 3

The work done by a force keeping an object in circular motion with constant speed is:

Question # 4

Which of the following type of force can do no work on the particle on which it acts:

Question # 5

The ultimate source of money sources of energy is:

Question # 6

Most of the geysers occur in:

Question # 7

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

Question # 8

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:

Question # 9

Work is a:

Question # 10

The types of mechanical energy is/are:

Question # 11

Work done on a body by gravity in lifting it up to certain height is

Question # 12

Work is product of:

Question # 13

The total work done in moving the body up and then down through the same height in a gravitational field is equal to:

Question # 14

Which one is conservative force

Question # 15

When two protons are brought are brought closer potential energy of both of them:

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 In the force applied is parallel to the direction of motion, then work done is:
A. Maximum
B. Minimum
C. Zero
D. None of these
2 The tidal energy is produced due to rotation of Earth relative to:
A. Moon
B. Sun
C. Oceans
D. Water
3 Work has a dimension as that of:
A. Torque
B. Angular momentum
C. Linear momentum
D. Power
4 The Space around the Earth within which it exerts a force of attraction on other bodies is known as
A. Nuclear field
B. Conservative field
C. Electric field
D. Gravitational field
5 Work-energy principle states that work done on the body by applied force is equal to change in:
A. Potential energy
B. Kinetic nergy
C. Linear momentum
D. None of these
6 Which one is conservative force
A. Electric force
B. Frictional force
C. Normal force
D. Air resistance
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 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°
9 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
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. Infinte work

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