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 ultimate source of money sources of energy is:

Question # 2

Most of the geysers occur in:

Question # 3

Work is a Quantity

Question # 4

A 100 Kg car is moving at the speed of 10 m/sec and comes to rest after covering a distance of 50 m. The amount of work done against the friction is:

Question # 5

A two Kg block is held 1 m above the floor for 50 seconds, the work done is:

Question # 6

A 2 kg block is held 1 m above floor for 50 seconds. The work done is:

Question # 7

Which force is not a conservative force?

Question # 8

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

Question # 9

Work is a:

Question # 10

The space around the earth within it exerts a force of attraction on other bodies of known as:

Question # 11

When a wall is pushed by a person very strongly, he has done:

Question # 12

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

Question # 13

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

Question # 14

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 # 15

Which force is not a conservative force:

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 A 100 kg car is moving at a speed of 10 m/sec and comes to rest after covering a distance of 50 m. the amount of work done against friction is:
A. +5 x 101J
B. +5 x 102J
C. +5 x 103J
D. +5 x 104J
2 Work done is maximum when angle between force and displacement is:
A. 0°
B. 90°
C. 180°
D. None of these
3 When a wall is pushed by a person very strongly, he has done:
A. Maximum work
B. Zero work
C. Positive work
D. Negative work
4 Work done is maximum when angle between force and displacement is
A. 0°
B. 90°
C. 180°
D. None of these
5 A 2 kg block is held 1 m above floor for 50 seconds. The work done is:
A. Zero
B. 10.2 J
C. 100 J
D. 980 J
6 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
7 The work done in moving a body between two points in a conservation field is independent of the:
A. Direction
B. Force applied
C. Path followed by the body
D. Power
8 The commercial unit of electrical energy is :
A. K Watt
B. KWH
C. Horse power
D. Joule
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 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

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