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

Question # 2

The types of mechanical energy is/are:

Question # 3

A body moves a distance of 10 m among a straight line under the action of a force of 5 N. If the work done is 25 J, the angle which the force makes with the direction of motion of a body is:

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

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

Question # 6

Teh consumption of energy by a 1000 watt heater in half an hour is:

Question # 7

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

Question # 8

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

Question # 9

A boy pulls a toy car through a distance of 5 m by applying a force of 0.5 N, Which makes an angle of 60° with the horizontal. The work done by the boy is:

Question # 10

Tick the conservative force

Question # 11

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

Question # 12

Work done is independent of path followed in _______

Question # 13

The work done on the body will be zero if:

Question # 14

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

Question # 15

Maximum work is done when force and displacement are

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ECAT Physics Chapter 4 Important MCQ's

Sr.# Question Answer
1 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
2 Which one is conservative force
A. Electric force
B. Frictional force
C. Normal force
D. Air resistance
3 A solar cell converts energy of the Sun into:
A. Heat energy
B. Magnetic energy
C. Light energy
D. Sound energy
4 When two protons are brought are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
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 A field in which the work done in moving a body along closed path is zero is called
A. Nuclear Field
B. Conservative field
C. Gravitational field
D. Non-conservative field
7 Which force is not a conservative force:
A. Frictional force
B. Gravitational force
C. Electric force
D. Elastic spring force
8 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
9 Work is a:
A. Scalar quantity
B. Vector quantity
C. Base quantity
D. None of these
10 The work done by a force keeping an object in circular motion with constant speed is:
A. Zero J.
B. 0.1 J
C. 1 J
D. 0.01 J

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