MDCAT Physics Chapter 3 online mcq test with answers for chapter 3 (Rotational and Circular Motion)

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MCAT Physics Chapter 3 Important MCQ's

Sr.#	Question	Answer
1	In an explosion a body breaks up into two pieces of unequal masses. In this:	A. Both parts will have numerically equal momentum B. Lighter part will have more momentum C. Heavier part will have more momentum D. Both parts will have equal kinetic energy
2	A person weighing 20 mg walks on a level platform with a speed of 2 ms-1 . The work by the person against the force of gravity is:	A. Zero B. 2J C. 60J D. 600J
3	A bomb of mass 30 kg at rest explodes into two pieces of masses 18 kg and 12 kg. The velocity of 18 kg mass is 6 ms¹ The KE of other mass is	A. 324 J B. 256 J C. 245 J D. 524 J
4	A body of mass 3 Kg lies on the surface on the table 2m high. It is moved on the surface by 4m. The change of P.E will be:	A. Zero B. 9.8 J C. 19.6 J D. 329 J
5	If the K.E. of a body is increased by 300%, its momentum will increase by:	A. 100 % B. 150 % C. √300% D. 175 %
6	Work done in raising a box depends on:	A. How fast it is raised B. The strength of the man C. The height by which it is raised D. None of the above
7	Initially, four identical uniform blocks, each of mass m and thickness h, are spread on a table How much work is done on the blocks in stacking them on top of one another?	A. 2 mgh B. 3 mgh C. 4mgh D. 6mgh
8	The momentum of a particle is numerically equal to its K.E. What is the velocity of a particle?	A. 9 ms^-1 B. 3 ms^-1 C. 2 ms-1 D. 1 ms^-1
9	An engine pumps up 100 kg of water through a height of 10m in 5s. Given that the efficiency of the engine is 60%, what is the power of the engine? (Take g = 10ms^-2)	A. 33 kW B. 3.3kW C. 0.33kW D. 0.033kW
10	An engine pumps out 40 kg of water in one second. The water comes out vertically upwards with a velocity of 3ms-1 . What is the power of engine in kilowatt?	A. 1.2kW B. 120kW C. 12kW D. 1200kW

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Aleeza Ilyas
05 Aug 2022

Answer key is mostly wrong sir

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ADEEL
14 Apr 2019

..

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ahmer
02 Nov 2018

12

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Sanam khan
12 May 2018

Test Dana k bad ksa pata Chala GA k Mara konsa mcqs wrong ha 😛 I got 94 marks out of 100

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Sheza fiaz
18 Apr 2018

How can we become a member of ths website.??

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MDCAT Physics Chapter 3 MCQ Test With Answer for ( Work ,Energy & Power)

MCQ's Test For MDCAT Physics Chapter 3 Work ,Energy & Power Online Test

MDCAT Physics Chapter 3 Work ,Energy & Power Online Test

You lift a heavy book from the floor of the room and keep it in the book-shelf having a height 2 m. In this process you take 5 seconds. The work done by you will depend upon:

A light and a heavy body have equal momenta. Which one has greater K.E?

The body at rest may have:

In an explosion a body breaks up into two pieces of unequal masses. In this:

An engine pumps up 100 kg of water through a height of 10m in 5s. Given that the efficiency of the engine is 60%, what is the power of the engine? (Take g = 10ms-2)

Two bodies moving towards each other collide and move away in opposite directions. There is some rise in temperature of bodies because a part of the kinetic energy is converted into

Work done in raising a box depends on:

The momentum of a particle is numerically equal to its K.E. What is the velocity of a particle?

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

The gravity does no work, when the body moves:

Ratio of dimension of K.E and power is:

A body is dropped from a height of 20 m and rebounds to a height of 10 m. the loss of energy is:

If the K.E. of a body is increased by 300%, its momentum will increase by:

An elevator's motor produces 3000 W power. The speed With Which it can lift a 1000 kg load is:

A motor boat is travelling with a speed of 3.0 m/sec. If the force on it due to water flow is 500 N, the power of the boat is

A person holds a bucket of weight 60N. He walks 7 m along the horizontal path and then climbs up a vertical distance of 5 m. The work done by the man is:

Kinetic energy of a body moving with speed of 10 ms-1 is 30 J. If its speed becomes30 ms-1 then its K.E becomes

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 joules, the angle which the force makes with the direction of motion of the body is?

A body of mass 3 Kg lies on the surface on the table 2m high. It is moved on the surface by 4m. The change of P.E will be:

The energy which an -e acquires when accelerated through a potential difference of 1 volt is called?

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MCAT Physics Chapter 3 Important MCQ's

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Aleeza Ilyas

ADEEL

ahmer

Sanam khan

Sheza fiaz

An engine pumps up 100 kg of water through a height of 10m in 5s. Given that the efficiency of the engine is 60%, what is the power of the engine? (Take g = 10ms^-2)