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
P

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	The dimensions of work	A. [MLT^-1] B. [MLT^-2] C. [ML²T^-2] D. [MLT]
2	When force and displacement are perpendicular to each other than work is equal to	A. Unity B. Infinity C. Zero D. -Fd
3	Work done on a body by gravity in lifting it up to certain height is	A. Maximum B. Minimum C. Zero D. Negative
4	The space around the earth within which it expects a force of attraction on other bodies is known as:	A. Nuclear field B. Conservative field C. Electric field D. Gravitational field
5	The energy stored int he water of the dam is:	A. Electric energy B. Kinetic energy C. Potential energy D. None of these
6	Which force is not a conservative force?	A. Frictional force B. Gravitational force C. Electric force D. Elastic spring force
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 in 25J. The angle which the force makes with the direction of motion will be	A. 60° B. 90° C. 30° D. 0°
8	Area under the force displacement graph gives	A. Power B. Work C. Heat D. Energy
9	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
10	Work done is independent of path followed in _______	A. Gravitational field B. Magnetic field C. Electric field D. All of these

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

Work is a:

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

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

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

Work is a

The tidal energy is due to gravitational pull of :

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

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

1 J = ________?

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

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

Watt x second is unit of:

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:

Work is a Quantity

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

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

The dimensions of work

The angle between centripetal force and displacement of the body moving in a circle is:

A body moves a distance of 10 m along a straight line under the action of a force of 5 N and work done in 25J. The angle which the force makes with the direction of motion will be

A solar cell is made from:

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

Work done by the force of friction is always

Tick the conservation force:

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

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

The value of escape velocity of Earth planet comes out to be:

A solar cell converts energy of the Sun into:

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

ECAT Physics Chapter 4 Important MCQ's

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