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

Question # 2

Acceleration in a body is always produced in the direction of :

Question # 3

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

Question # 4

The horizontal range of projectile, at a certain place, depends upon

Question # 5

The linear momentum of the body is defined as

Question # 6

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

Question # 7

Dimensions of velocity are

Question # 8

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

Question # 9

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

Question # 10

The decrease in velocity per unit time is called:

Question # 11

Change in momentum is one second is called:

Question # 12

If the velocity time graph is a straight line parallel to time-axis, then it means that:

Question # 13

Distance traveled by a body falling from rest in the first, second and third second is in the ration of

Question # 14

Acceleration in a body is always produced in the directin of:

Question # 15

What must be changing when a body is accelerating uniformly?

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The consumption source if energy is:
A. Energy from blomass
B. Hydroelectric energy
C. Geothermal energy
D. None of these
2 A boat of mass 40 kg is at rest, A dog of mass 4 kg moves in the boat with a velocity of 10 m/s. What is the velocity of boat?
A. 4 m/s
B. 2 m/s
C. 8 m/s
D. 1 m/s
3 A change in position of a body from its initial position to its final position is known as
A. relative motion
B. displacement
C. distance
D. acceleration
4 Maximum height of a bullet when fixed at 30 with horizontal is 11 m. Then height when it is fired at 60° is
A. 22 m
B. 6 m
C. 33 m
D. 7.8 m
5 Body which falls freely under gravity provides good example of motion under:
A. Uniform acceleration
B. Non-uniform acceleration
C. Uniform 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 Acceleration produced in a body by the 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
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 An object thrown upward with an initial velocity at certain angle with the horizontal and moving freely under the action of gravity is called
A. a rocket
B. an aeroplane
C. a projectile
D. a ballon
10 The vertical and horizontal range will be equal id angle of projection is
A. 76°
B. 45°
C. 60°
D. 120°

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