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

Which one is conservative force

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

Work done in lower and bucket into the well is:

Question # 6

When a falling body hits ground, its KE changes to _____ energy.

Question # 7

Tick the conservative force

Question # 8

Which of the following is not a unit of power:

Question # 9

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

Question # 10

Work has a dimension as that of:

Question # 11

The work done on the body will be zero if:

Question # 12

The amount of coal used since 1945 up till now as compared to that used in the whole of history before that is

Question # 13

Maximum work is done when force and displacement are

Question # 14

The Space around the Earth within which it exerts a force of attraction on other bodies is known as

Question # 15

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

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 Escape velocity from surface of Moon as compared to that from Earth surface is:
A. Greater
B. Smaller
C. Equal
D. None of thes
2 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
3 A field in which the work done is moving a body along closed path is zero is called:
A. Nuclear filed
B. Conservative field
C. Gravitational field
D. Non-conservative field
4 Energy stored in the spring of a watch is called
A. Potential energy
B. Kinetic energy
C. Nuclear energy
D. Elastic potential
5 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
6 Most of the geysers occur in:
A. Volcanic regions
B. Magnetic regions
C. Northern region
D. None of these
7 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
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 Tick the conservation force:
A. Tension in a string
B. Air resistance force
C. Elastic spring
D. Frictional force
10 The field in which work done is moving body between two points depends upon the path followed is called:
A. Conservative filed
B. Non-conservative field
C. Electric field
D. None of these

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