ECAT Pre General Science Physics Chapter 3 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 3 Motion and Force

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 3 Motion and Force

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ECAT Pre General Science Physics Chapter 3 Motion and Force

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Question # 1

An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:

Question # 2

Unit of impulse in

Question # 3

The second law gives the relationship between

Question # 4

If two bodies of equal masses moving in the same direction collide elastically, then their velocities.

Question # 5

A body falls freely from rest. It covers as much distance in the last second of its motion as covered in the first three seconds. The body has fallen for a time of

Question # 6

What must be changing when a body is accelerating uniformly?

Question # 7

A motorist travels A to B at a speed at 40 km/h and returns at speed of 60km/h. His average speed will be

Question # 8

The distance covered by a body in unit time is called.

Question # 9

When a bicycle is in motion, the frictional forces exerted by the ground are

Question # 10

The three equation of motions are useful only for

Question # 11

Ethanol (alcohol) as a type of:

Question # 12

A dirty carpet is to be cleaned by heating. This is an accordance with____ law of motion:

Question # 13

If an iron ball and a wooden ball of the same radius was released from a height 'h' in vacuum, then time taken by both of them to reach ground will be

Question # 14

A body is moving with constant velocity of 10 m/sec in the north east direction. Then its acceleration will be:

Question # 15

Ethanol (alcohol) is a type of:

Question # 16

An object thrown in arbitrary direction in space with an initial velocity and moving freely under gravity will follow

Question # 17

The artillery shells travel along parabolic paths under the influence of

Question # 18

When body moves with increasing acceleration, its velocity time graph is a

Question # 19

If a train traveling at 72 kmph is to be brought to rest in a distance of 200 meters then its retardation should be

Question # 20

The linear momentum of the body is defined as

Question # 21

Acceleration of a body is positive, if the velocity of the body is

Question # 22

A change in position of a body from its initial position to its final position is known as

Question # 23

Angular momentum

Question # 24

The velocity given to a body to go out of the influence of earth's gravity is known as:

Question # 25

A projectile on its path gets divided into two pieces at its highest point. Which is true?

Question # 26

Inertial frame of references are those frame of references which are moving with

Question # 27

A body walks to his school at a distance of 6 km with a speed of 2.5 km/h and walks back with a constant speed of 5 km/h. His average speed for round trip expressed in km/h is

Question # 28

The velocity given to a body to go out of the influence of earth's gravity is known as:

Question # 29

The short distance between two points direction from its initial point to final point is called:

Question # 30

If a ball comes back to its starting point after bouncing off the wall several times, then its

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 One KWh is equal to:
A. 3.6 x 102J
B. 3.6 KJ
C. 3.6 x 101KJ
D. 3.6 MJ
2 A man sitting in a bus travelling in a direction from west to east with a speed of 40 km/h observes that the rain drops are falling vertically down. To the another man standing on ground the rain will appear
A. To fall vertically down
B. To fall at an angle going from west to east
C. To fall at an angle going from east to west
D. The information given is insufficient to decide the direction of rain
3 The velocity of a body at any instant of its motion is known as
A. average velocity
B. instantaneous velocity
C. uniform velocity
D. none of them
4 If the velocity of the body decreases non-uniformly then the slope of the velocity-time graph will have
A. different values
B. same values
C. zero valves
D. constant valves
5 A snooker ball moving with velocity V collides head on with another snooker ball of same mass at rest. If the collision is elastic, the velocity of second snooker ball is
A. Zero
B. Infinity
C. V
D. 2 V
6 Acceleration of a body is positive, if the velocity of the body is
A. constant
B. increasing
C. decreasing
D. none of them
7 Change in momentum is one second called.
A. Impulse
B. Force
C. Energy
D. Work
8 During the projectile motion, the horizontal component of velocity
A. changes with time
B. remains constant
C. becomes zero
D. decreases with time
9 A body is moving with constant velocity of 10 m/sec in the north-east direction. Then its acceleration will be:
A. 10 m/sec2
B. 20 m/sec2
C. 30 m/sec2
D. Zero
10 When the surfaces are coated with a lubricant, then they
A. Stick to each other
B. Slide upon each other
C. Roll upon each other
D. None of these

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