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 done along a closed path in a gravitational field is:

Question # 2

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

Question # 3

Work is a:

Question # 4

The energy stored int he water of the dam is:

Question # 5

If one newton force acts on a body and displaces the body through 1m work done on body is

Question # 6

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

Question # 7

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

Question # 8

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

Question # 9

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

Question # 10

Which one is conservative force

Question # 11

Tick the conservative force

Question # 12

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

Question # 13

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

Question # 14

Power is a :

Question # 15

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

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 Work has a dimension as that of:
A. Torque
B. Angular momentum
C. Linear momentum
D. Power
2 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
3 The space around the earth within it exerts a force of attraction on other bodies of known as:
A. Nuclear field
B. Conservative field
C. Electric field
D. Gravitational field
4 The consumption of energy by a 60 W bulb in 2 minutes is:
A. 2 watt-hour
B. 120 watt-hour
C. 30 watt-hour
D. None of these
5 The types of mechanical energy is/are:
A. Kinetic energy
B. Potential energy
C. Both of these
D. None of these
6 Work done is maximum when angle between force and displacement is
A. 0°
B. 90°
C. 180°
D. None of these
7 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
8 Work is a Quantity
A. Vector
B. Scalar
C. Non-physical
D. None of these
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 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

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