ECAT Pre General Science Physics Chapter 4 MCQ Test With Answer

Top Scorers Of ECAT Pre General Science Physics Chapter 4 Work and Energy MCQ`s Test

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Naveed 01 - Aug - 2018 06 Min 16 Sec 85/120
A

Alvina Mehak 06 - Jun - 2024 23 Min 59 Sec 85/120
E

Eman Ishtiaq 06 - Jun - 2024 06 Min 08 Sec 80/120
W

Waleed Ahmed 23 - Feb - 2023 13 Min 52 Sec 70/120
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Pir Dedar shah 17 - Apr - 2018 09 Min 00 Sec 30/120
A

Anwar Ahmad 04 - Jun - 2024 05 Min 28 Sec 10/120
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Unaiza Zafar 14 - Jul - 2023 09 Min 07 Sec 10/120
U

Unknown 04 - Jun - 2024 01 Min 28 Sec 0/120
H

hamza abid 26 - May - 2022 10 Min 50 Sec 0/120

ECAT Physics Chapter 4 Important MCQ's

Sr.#	Question	Answer
1	Work is a:	A. Scalar quantity B. Vector quantity C. Base quantity D. None of these
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	Work-energy principle states that work done on the body by applied force is equal to change in:	A. Potential energy B. Kinetic nergy C. Linear momentum D. None of these
4	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
5	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:	A. 0° B. 30° C. 60° D. 90°
6	The angle between centripetal force and displacement of the body moving in a circle is:	A. 0° B. 90° C. 180° D. None of these
7	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
8	The field in which work done in moving a body between two points depends upon the path followed is called:	A. Conservative field B. Non-conservative field C. Electric field D. None of these
9	When a force of 0.5 N displaces a body through a distance of 2m in the direction of force, the work done is:	A. 2 J B. 0.25 J C. 1 J D. 0.5 J
10	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

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ECAT Pre General Science Physics Chapter 4 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 4 Work and Energy

ECAT Pre General Science Physics Chapter 4 Work and Energy

The dimensions of work

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

A solar cell is made from:

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

Work done is maximum when angle between force and displacement is:

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:

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

Work done is lowering the bucket into the well is:

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

Work done is independent of path followed in _______

1 J = ________?

When two protons are brought are brought closer potential energy of both of them:

The ultimate source of money sources of energy is:

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:

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

The work performed on an object does not depend on

The unit of work in CGS system is

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

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

Work done is maximum when angle between force and displacement is

Which force is not a conservative force:

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

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

Work is a scalar product of

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

The energy stored int he water of the dam is:

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:

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

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

Work done along a closed path in a gravitational field is:

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ECAT Physics Chapter 4 Important MCQ's

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