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

If the values of instantaneous and average velocities are equal, the body is said to be moving with

Question # 2

The artillery shells travel along parabolic paths under the influence of

Question # 3

When the surfaces are coated with a lubricant, then they

Question # 4

Acceleration of a body is negative if the velocity of the body is

Question # 5

If a car rest acceleration uniformly to a speed of 144 km/h in 20 s it covers a distance of

Question # 6

When a bicycle is in motion but not pedaled, the force of friction exerted by the ground on the two wheels is such that it acts

Question # 7

For a given angle of projection, if the time of flight of a projectile is doubled, the horizontal range will increases to

Question # 8

A typical rocket consumes about

Question # 9

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

Question # 10

Blomass includes:

Question # 11

The magnitude of the force producing an acceleration of 10 m/sec2in a body of mass 500 grams is:

Question # 12

A ball is dropped downwards After 1 second another ball is dropped downwards from the same point. What is the distance between them after 3 seconds

Question # 13

By which velocity a ball be projected vertically so that the distance covered by it in 5th seconds is twice the distance it covers in its 6th second ( g=10m/s2)

Question # 14

Ethanol (alcohol) is a type of:

Question # 15

The velocity of a body at any instant of its motion is known as

Question # 16

A ball is dropped from a height of 4.2 meters. To what height will take it rise if there is no loss of KE after rebounding?

Question # 17

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

Question # 18

Force is a:

Question # 19

Linear momentum is a

Question # 20

An object thrown upward with an initial velocity at certain angle with the horizontal and moving freely under the action of gravity is called

Question # 21

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

Question # 22

When brakes are applied to a fast moving car, the passengers will be thrown:

Question # 23

A railway engine (mass 104kg) is moving with a speed of 73 km/h. The force which should be applied to bring it to rest over a distance of 20 m is

Question # 24

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

Question # 25

The effect of applying a force on a moving body is to change

Question # 26

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

Question # 27

A vehicle of mass 120 kg is moving with a uniform velocity of 108 km/h. The force required to stop the vehicle in 10s is

Question # 28

The dimension of linear inertia is:

Question # 29

Change in momentum is one second is called:

Question # 30


Swimming becomes possible because of______law of motion:

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ECAT Class Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A dirty carpet is to be cleaned by heating. This is an accordance with____ law of motion:
A. First
B. Second
C. Third
D. None of these
2 When body moves with increasing acceleration, its velocity time graph is a
A. straight line
B. horizontal straight line
C. vertical straight line
D. curve
3 Force is a:
A. Scalar quantity
B. Base quantity
C. Derived quantity
D. None of these
4 The path (or trajectory) described by a projectile is
A. a parabola
B. a hyperbola
C. a circle
D. a straight line
5 If the slope of the velocity-time graph increases at constant rate with time, then the body is said to have
A. uniform deceleration
B. uniform negative acceleration
C. average acceleration
D. uniform positive acceleration
6 The artillery shells travel along parabolic paths under the influence of
A. magnetic field
B. electric field
C. electromagnetic field
D. gravitational field
7 The time rate of change of displacement is called:
A. Time
B. Acceleration
C. Speed
D. Velocity
8 A vehicle of mass 120 kg is moving with a uniform velocity of 108 km/h. The force required to stop the vehicle in 10s is
A. 120 x 10.8 N
B. 180 N
C. 720 N
D. 360 N
9 The consumption source if energy is:
A. Energy from blomass
B. Hydroelectric energy
C. Geothermal energy
D. None of these
10 When the mass of the colliding body is much larger than the mass of the body at rest, its velocity after collision.
A. Becomes half
B. Becomes zero
C. Ramains same
D. Becomes double

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