ECAT Pre General Science Physics Chapter 3 MCQ Test With Answer

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

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 3 Motion and Force

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ECAT Pre General Science Physics Chapter 3 Motion and Force

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Question # 1

Which of the following four statements is false?

Question # 2

Velocity is a

Question # 3

A typical rocket consumes about

Question # 4

Swimming becomes possible because of______law of motion.

Question # 5

The SI units of momentum is

Question # 6

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

Question # 7

The second law gives the relationship between

Question # 8

If the objects of different masses move with the same velocity, then it is more difficult to stop the

Question # 9

If the acceleration of a body is negative, then slope of the velocity-time graph will be:

Question # 10

Ethanol (alcohol) is a type of:

Question # 11

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

Question # 12

One KWh is equal to:

Question # 13

In velocity of a particle at an instant is 10 m/s and after 5s the velocity of the particle is 20 m/s. The velocity 3s before in m/s is

Question # 14

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

Question # 15

Which of the following statements for an object in equilibrium is not true?

Question # 16

Velocity of a body changes if

Question # 17

Tick the conservation force:

Question # 18

When a body is moving with uniform positive acceleration, the velocity- time graph is a straight line. Its slope is

Question # 19

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

Question # 20

The effect of applying a force on a moving body is to change

Question # 21

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

Question # 22

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

Question # 23

The decrease in velocity per unit time is called:

Question # 24

The displacement coincides with the path of the motion when a body moves is a

Question # 25

If m means mass of gases objected per second from a rocket and v shows the change in velocity, than mv is named as:

Question # 26

When a shell explodes in mid-air, its fragments fly off in

Question # 27

Rocket engines lift a rocket from the earth surface, because hot gas with high velocity

Question # 28

If the acceleration of a body is not uniform, then velocity-time graph will be:

Question # 29

The velocity of a body at any instant of its motion is known as

Question # 30

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

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Biomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these
2 The product of force and time is called
A. acceleration
B. linear momentum
C. angular momentum
D. impulse
3 If a train traveling at 72 kmph is to be brought to rest in a distance of 200 meters then its retardation should be
A. 20 ms-2
B. 10 ms-2
C. 2 ms-2
D. 1 ms-2
4 Which one of the following is dimensionless:
A. Acceleration
B. Velocity
C. Density
D. Angle
5 Velocity of a body changes if
A. direction of the body changes
B. speed of the body changes
C. neither speed nor direction changes
D. either speed or direction changes
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 If m is the mass of the gases ejected per second with velocity v relative to the rocket of mass M, then the acceleration of rocket is
A. a = M/mv
B. a = mM/v
C. a = mv/M
D. a = v/mm
8 Tick the conservation force:
A. Tension in a string
B. Air resistance string
C. Elastic spring force
D. Frictional force
9 When a shell explodes in mid-air, its fragments fly off in
A. only one direction
B. in two direction
C. different directions
D. a particular direction
10 The magnitude of the force producing an acceleration of 10 m/sec2 in a body of mass 500 grams is:
A. 3 N
B. 4 N
C. 5 N
D. 6 N

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