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	Work has the dimension as that of:	A. Torque B. Angular momentum C. Linear momentum D. Power
2	Work done by the force of friction is always	A. Positive B. Zero C. Negative D. Maximum
3	Most of the geysers occur in:	A. Volcanic regions B. Magnetic regions C. Northern region D. None of these
4	If work is done at the rate of 2 k j per second, then total work done is half an hour will be:	A. 0.5 Kwn B. 2 Kwh C. 1 Kwh D. None of these
5	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
6	Work is a scalar product of	A. Force, Velocity B. Velocity, Displacement C. Force, Displacement D. Force, Momentum
7	When force and displacement are perpendicular to each other than work is equal to	A. Unity B. Infinity C. Zero D. -Fd
8	If force and displacement are in opposite direction, the work done is taken as:	A. Positive work B. Negative work C. Zero work D. Infinte work
9	Work done is maximum when angle between force and displacement is	A. 0° B. 90° C. 180° D. None of these
10	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

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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

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

Energy stored in the spring of a watch is called

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

Work is a:

Work done by the force of friction is always

Area under the force displacement graph gives

Power is a :

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:

Work done is maximum when angle between force and displacement is

The work performed on an object does not depend on:

Work-energy principle states that work done on the body by applied force is equal to change in:

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

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

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

Work is product of:

Work done is lowering the bucket into the well is:

The power of an electric generating station is expressed in:

Which one is conservative force

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

Which force is not a conservative force:

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

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

Which force is not a conservative force?

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

Work is always done on a body when:

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:

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

Work is a scalar product of

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

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