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

A rocket carries its own fuel in the form of

Question # 2

Slope of velocity time graph represents:

Question # 3

The motion of a body in a straight line is the motion in

Question # 4

Two bullets are fired simultaneously, horizontally and with different speeds from the same place. Which bullet will hit the ground first?

Question # 5

The projectile attains maximum horizontal range when it is projected at an angle of

Question # 6

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

Question # 7

Swimming is based on the principle of

Question # 8

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

Question # 9

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

Question # 10


Swimming becomes possible because of______law of motion:

Question # 11

Acceleration produced in a body by the force varies

Question # 12

When the total displacement is divided by total time taken, we get:

Question # 13

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

Question # 14

If the water falls from a dam into a turbine wheel 19.6 m below, then the velocity of water at the turbine, is (Take g=9.8 m/s2)

Question # 15

Graphs which are used to illustrate the variation of velocity of an object with time are called

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Acceleration of a body at any particular instant during its motion is known as
A. average acceleration
B. uniform acceleration
C. instantaneous acceleration
D. all of them
2 Unit of impulse in
A. Newton
B. Kg m
C. Kg m/s
D. Joule
3 When a force is applied on a body, several effects are possible Which of the following effect could not occur?
A. the body rotates
B. the body speeds up
C. the mass of the body decreases
D. the body changes its direction
4 The expression F x t is called impulse if the time 't' is
A. zero
B. very large
C. very small
D. infinite
5 A ball of mass m moving with uniform speed collides elastically with another stationary ball. The incident ball will lose maximum kinetic energy when mass of the stationary ball is
A. m
B. 2 m
C. 4 m
D. Infinity
6 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
7 For maximum linear distance of travel, a projectile must be fired at an angle of
A. 0°
B. 45°
C. 90°
D. 60°
8 The dimension of linear inertia is:
A. MLT2
B. ML0T-2
C. ML0T0
D. MLT-1
9 Bodies failing freely under gravity provide good example of motion under
A. non-uniform acceleration
B. uniform acceleration
C. variable acceleration
D. increasing acceleration
10 When two protons are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these

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