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

The tidal energy is due to gravitational pull of :

Question # 2

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

Question # 3

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

Question # 4

Which force is not a conservative force:

Question # 5

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

Question # 6

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

Question # 7

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 # 8

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:

Question # 9

Tick the conservative force

Question # 10

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

Question # 11

When a force of 0.5 N displaces a body through a distance of 2m in the direction of force, the work done is

Question # 12

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

Question # 13

Maximum work is done when force and displacement are

Question # 14

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

Question # 15

The work performed on an object does not depend on:

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 The energy stored int he water of the dam is:
A. Electric energy
B. Kinetic energy
C. Potential energy
D. None of these
2 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
3 Area under the force displacement graph gives
A. Power
B. Work
C. Heat
D. Energy
4 The space around the earth in which its gravitational force acts on a body is called
A. Electric Field
B. Gravitational field
C. Magnetic field
D. Conservative field
5 Work is a scalar product of
A. Force, Velocity
B. Velocity, Displacement
C. Force, Displacement
D. Force, Momentum
6 Watt x second is unit of:
A. Force
B. Work
C. Power
D. None of these
7 If work is done at the rate of 2 k j per second, then total work done is half an hour will be:
A. 0.5 Kwn
B. 2 Kwh
C. 1 Kwh
D. None of these
8 Which of the following type of force can do no work on the particle on which it acts:
A. Frictional force
B. Gravitational force
C. Electric force
D. Centripetal force
9 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
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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