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
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Eman Ishtiaq 06 - Jun - 2024 06 Min 08 Sec 80/120
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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
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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 Quantity	A. Vector B. Scalar C. Non-physical D. None of these
2	The work done by a force, keeping an object in circular motion with constant speed is:	A. Zero J B. 1 J C. 0.1 J D. 0.01 J
3	Teh consumption of energy by a 1000 watt heater in half an hour is:	A. 5 Kwh B. 0.5 Kwh C. 2.5 Kwh D. 3.2 Kwh
4	1 J = ________?	A. 10⁷erges B. 10^-7erges C. 10⁵erges D. 10^-5erges
5	The work done on the body will be zero if:	A. No force is applied on the body B. Force is applied but no displacement C. Angle between F(force) and d(displacement) is 90° D. All of these are correct
6	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
7	A solar cell converts energy of the Sun into:	A. Heat energy B. Magnetic energy C. Light energy D. Sound energy
8	Work done is maximum when angle between force and displacement is:	A. 0° B. 90° C. 180° D. None of these
9	Work done on a body by gravity in lifting it up to certain height is	A. Maximum B. Minimum C. Zero D. Negative
10	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

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

The unit of work in CGS system is

Work done is independent of path followed in _______

1 J = ________?

Work done in lower and bucket into the well is:

Which one is conservative force

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

The space around the earth in which its gravitational force acts on a body is called

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 and work done is 25J. the angle which the force makes with the direction of motion will be:

Work is a scalar product of

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

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

The work done on the body will be zero if:

Maximum work is done when force and displacement are

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

Work has the dimensions as that of

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:

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

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

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

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

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

Which force is not a conservative force?

A laborer carrying a load on his head moves from the rest on a horizontal road to another point where he comes to rest. He has done:

SI Unit of work is

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

Work is a:

The work performed on an object does not depend on:

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

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ECAT Physics Chapter 4 Important MCQ's

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