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

When a force is applied on a body, several effects are possible Which of the following effect could not occur?

Question # 2

Inertia mass and gravitational mass are

Question # 3

The product of force and time is called change in:

Question # 4

A ball is thrown upwards with a velocity of 100 m/s. It will reach the ground after

Question # 5

The shortest distance between two points directed from its initial point to final point is called:

Question # 6

Range of a projectile is R, when the angle of projection is 30° . Then, the value of the other angle of projection for the same range, is

Question # 7

When a shall explodes a mid-air, the total momentum of its fragments is

Question # 8

If rope of lift breaks suddenly. The tension exerted by the surface of lift is (a=Acceleration of lift)

Question # 9

A train cover 90 km in half an hour. the time taken by it to travel 15 km will be:

Question # 10

Laws of motion are not valid in a system which is

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

A typical rocket consumes about

Question # 15

The three equation of motions are useful only for

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A train is moving with a velocity of 25 m/s and a car is moving behind it by a velocity of 8 m/s in same direction. The relative velocity of train with respect to car is
A. 17 m/s
B. 33 m/s
C. 17.5 m/s
D. none
2 Which quantity has the same dimension as that of impulse?
A. KE
B. Power
C. Momentum
D. Work
3 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
4 The direction of the acceleration is the same as that of
A. speed
B. velocity
C. both of them
D. none of them
5 When the total displacement is divided by total time taken, we get:
A. Velocity
B. Average speed
C. Average velocity
D. None of these
6 Ethanol (alcohol) is a type of:
A. Electric fuel
B. Bio fuel
C. Nuclear fuel
D. None of these
7 Root out of the conventional source of energy:
A. Energy from biomass
B. Hydroelectric energy
C. Geothermal energy
D. None of these
8 Acceleration produced in a body by a force varies
A. inversely as the applied force
B. directly as the applied force
C. directly as the mass of the body
D. none of them
9 A lift is moving up with acceleration equal to 1/5 of that due to gravity. The apparent weight of a 60 kg man standing in lift is
A. 60 kg wt
B. 72 kg wt
C. 48 kg wt
D. Zero
10 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?
A. 4.2 m
B. 8.4 m
C. 12.6 m
D. none of these

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