ECAT Pre Engineering Physics Chapter 3 MCQ Test With Answer

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

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Physics ECAT Pre Engineering Chapter 3 Motion and Force

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Question # 1

The artillery shells travel along parabolic paths under the influence of

Question # 2

A lift is descending at a constant speed V. A passenger in the lift drops a coin. The acceleration of the coin towards the floor will be

Question # 3

When two protons are brought closer potential energy of both of them:

Question # 4

Biomass includes:

Question # 5

When a horse pulls a cart, the force that makes the horse run forward is the force exerted by

Question # 6

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

Question # 7

Which one of the following is dimensionless:

Question # 8

A body of weight 1 N has a kinetic energy of 1 joule when its speed is:

Question # 9

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

Question # 10

One KWh is equal to:

Question # 11

Unit of impulse in

Question # 12

Which quantity has the same units as impulse

Question # 13

A body of mass 1.0 kg is falling with an acceleration of 10 m/s2. Its apparent weight will be (g=10 m/s2)

Question # 14

Acceleration produced in a body by the force varies

Question # 15

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

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The product of force and time is called
A. acceleration
B. linear momentum
C. angular momentum
D. impulse
2 A ball is dropped from a height of 4.2 meters. To what height it will rise if there is no loss of KE after rebounding?
A. 4.2 m
B. 8.4
C. 12.6
D. None of these
3 The motion in a plane is the motion in
A. one dimension
B. two dimension
C. three dimension
D. four dimension
4 Two bullets are fired simultaneously, horizontally and with different speeds from the same place. Which bullet will hit the ground first?
A. The faster one
B. Depends on their mass
C. The slower one
D. Both will reach simultaneously
5 Linear momentum is a
A. fixed quantity
B. constant quantity
C. scalar quantity
D. vector quantity
6 When a body is moving with uniform positive acceleration, the velocity- time graph is a straight line. Its slope is
A. zero
B. negative
C. positive
D. non-existing
7 A lift is descending at a constant speed V. A passenger in the lift drops a coin. The acceleration of the coin towards the floor will be
A. Zero
B. g
C. -g
D. V + g
8 The time rate of change of displacement is called:
A. Time
B. Acceleration
C. Speed
D. Velocity
9 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
A. In the backward direction on the front wheel and in the forward direction on the rear wheel
B. In the forwards directions on the front wheel and in the backward direction on the rear wheel
C. In the forward direction on both the wheels
D. In the backward direction on both the wheels
10 Which one of the following is dimensionless.
A. Acceleration
B. Velocity
C. Density
D. Angle

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