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
U

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 always done on a body when:	A. A force acts on it B. It moves through certain distance C. None of A and B is correct D. Both A and B is correct
2	Which of the following types of force can do no work on the particle on which it acts	A. Frictional force B. Gravitational force C. Electric force D. Centripetal force
3	1 J = ________?	A. 10⁷erges B. 10^-7erges C. 10⁵erges D. 10^-5erges
4	Which one is conservative force	A. Electric force B. Frictional force C. Normal force D. Air resistance
5	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:	A. +5 X 10¹J B. +5 X 10²J C. +5 X 10³J D. +5 X 10⁴J
6	When a falling body hits ground, its KE changes to _____ energy.	A. Potential B. Chemical C. Mechanical D. sound and heat
7	Which of the following type of force can do no work on the particle on which it acts:	A. Frictional force B. Gravitational force C. Electric force D. Centripetal force
8	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
9	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°
10	The ultimate source of money sources of energy is:	A. Sun B. Air C. Water D. Petroleum

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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

Work is a Quantity

The work done on the body will be zero if:

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

The commercial unit of electrical energy is :

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

The dimensions of work

The consumption of energy by a 60 W bulb in 2 minutes is:

Power is a :

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 the direction of motion will be:

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

Work is a scalar product of

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

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

Which one is conservative force

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

Work done is lowering the bucket into the well is:

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

Area under the force displacement graph gives

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:

Energy stored in the spring of a watch is called

Work is product of:

When a wall is pushed by a person very strongly, he has done:

Watt x second is unit of:

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

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

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

A solar cell converts energy of the Sun into:

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

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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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