ECAT Pre Engineering Physics Chapter 3 MCQ Test With Answer

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

Try The 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

Ethanol (alcohol) is a type of:

Question # 2

The mass of the object is a quantities measure of its

Question # 3

Find the total displacement of a body in 8 seconds starting from rest with an acceleration of 20 cm/s2

Question # 4

A stone is dropped from rest from the top of a tower 19.6 m high. The distance traveled during the last second of its fall is (giving g=9.8 m/ss)

Question # 5

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

Question # 6

If the instantaneous velocity of a body does not change. the body is said to be moving with

Question # 7

Which one of the following is dimensionless.

Question # 8

A rocket carries its own fuel in the form of

Question # 9

At the top of the trajectory of a projectile the acceleration is

Question # 10

A 5 kg mass is falling freely, the force acting on, it will be

Question # 11

Swimming is based on the principle of

Question # 12

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

Question # 13

The magnitude of the displacement is a line from initial position to final position which is

Question # 14

A cold soft drink is kept on the balance. When the cap is opened, then the weight

Question # 15

Tick the conservative force:

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
A. 40 km/h
B. 48 km/h
C. 50 km/h
D. 60 km/h
2 Inertia mass and gravitational mass are
A. opposite
B. identical
C. identical when there is no friction
D. all of them
3 Distance traveled by a body falling from rest in the first, second and third second is in the ration of
A. 1 : 2 : 3
B. 1 : 3 : 5
C. 1 : 4 : 9
D. None of the above
4 Newton's laws are adequate for speeds that are
A. low compared with the speed of light
B. equal to the speed of light
C. greater than the speed of light
D. all of them
5 The mass of a body measured by a physical balance in a lift at rest is found to be m, if the lift is going up with an acceleration a, its mass will be measured as
A. m (1 - a/g)
B. m (1 + a/g)
C. m
D. Zero
6 The horizontal range of projectile, at a certain place, depends upon
A. the mass of the projectile
B. velocity of projection
C. angle of projection
D. angle as well as velocity of projection
7 Tick the conservative force:
A. tension in a string
B. Air resistance
C. Elastic spring force
D. Frictional force
8 A body is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about
A. 80 m
B. 20 m
C. 160 m
D. 40 m
9 If a car rest acceleration uniformly to a speed of 144 km/h in 20 s it covers a distance of
A. 20 m
B. 400 m
C. 1440 m
D. 2880 m
10 A body moving with an acceleration of 5 m/sec2started with velocity of 10 m/sec. What will be the distance traversed in 10 seconds?
A. 150 m
B. 250 m
C. 350 m
D. 400 m

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