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

ECAT Physics Chapter 4 Important MCQ's

Sr.#	Question	Answer
1	The unit of work in CGS system is	A. Joule B. Erg C. Dyne D. Watt
2	Work is product of:	A. Force and velocity B. Heat and energy C. Force and displacement D. None of these
3	Tick the conservation force:	A. Tension in a string B. Air resistance force C. Elastic spring D. Frictional force
4	Work done by the force of friction is always	A. Positive B. Zero C. Negative D. Maximum
5	Work is a Quantity	A. Vector B. Scalar C. Non-physical D. None of these
6	Work is a	A. Scalar quantity B. Vector quantity C. Base quantity D. None of these
7	Work has the dimensions as that of	A. Torque B. Angular momentum C. Linear momentum D. Power
8	Which force is not a conservative force?	A. Frictional force B. Gravitational force C. Electric force D. Elastic spring force
9	When a body moves against the force of friction on a horizontal plane, the work done by the body is:	A. Positive B. Negative C. Zero D. None of these
10	The dimensions of work	A. [MLT^-1] B. [MLT^-2] C. [ML²T^-2] D. [MLT]

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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 work done on the body will be zero if:

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

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:

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

Escape velocity from surface of Moon as compared to that from Earth surface is:

Most of the geysers occur in:

Work has the dimensions as that of

In the force applied is parallel to the direction of motion, then work done is:

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

The work performed on an object does not depend on:

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

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

The total work done in moving the body up and then down through the same height in a gravitational field is equal to:

Which of the following is not a unit of power:

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:

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

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

If work is done at the rate of 2 k j per second, then total work done is half an hour will be:

Watt x second is unit of:

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

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

The tidal energy is produced due to rotation of Earth relative to:

Work is a scalar product of

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

Work done is maximum when angle between force and displacement is

Area under the force displacement graph gives

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

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

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

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

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ECAT Physics Chapter 4 Important MCQ's

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