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

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ECAT Pre General Science Physics Chapter 3 Motion and Force

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Question # 1

Root out of the conventional source of energy:

Question # 2

Bodies which falls freely under gravity provides good example of motion under:

Question # 3

A ball is dropped vertically down and it takes time t to reach the ground. At time t/2

Question # 4

The consumption of energy by a 1000 watt heter in half an hour is:

Question # 5

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

Question # 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?

Question # 7

The mass of the object is a quantities measure of its

Question # 8

The magnitude of the force producing an acceleration of 10 m/sec2in a body of mass 500 grams is:

Question # 9

A typical rocket consumes about

Question # 10

Earth is considered to be

Question # 11

Acceleration produced in a body by a force varies

Question # 12

For a moving body, at any instant of time

Question # 13

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

Question # 14

Acceleration of a body at any particular instant during its motion is known as

Question # 15

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

Question # 16

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

Question # 17

The decrease in velocity per unit time is called:

Question # 18

For a given angle of projection, if the time of flight of a projectile is doubled, the horizontal range will increases to

Question # 19

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

Question # 20

A typical rocket ejects the burnt gases at speeds over

Question # 21

A ball is dropped downwards After 1 second another ball is dropped downwards from the same point. What is the distance between them after 3 seconds

Question # 22

A railway engine (mass 104kg) is moving with a speed of 73 km/h. The force which should be applied to bring it to rest over a distance of 20 m is

Question # 23

Root out the conventional source of energy:

Question # 24

During the upward motion of the projectile, the vertical component of velocity.

Question # 25

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

Question # 26

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

Question # 27

In equation F=ma, then mass 'm' is

Question # 28

If the values of instantaneous and average velocities are equal, the body is said to be moving with

Question # 29

A body moving with uniform velocity has

Question # 30

The direction of the linear momentum is the direction of

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 A train of 150 m length is going towards north direction at a speed of 10 ms-1. A parrot files at a speed of 5 ms-1towards south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to
A. 12 s
B. 8 s
C. 15 s
D. 10 s
3 The shortest distance between two points directed from its initial point to final point is called:
A. Velocity
B. Displacement
C. Speed
D. Distance
4 Biomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these
5 When we consider the average velocity of a body, then the body is moving in
A. straight line
B. curved path
C. may be in a straight or curved path
D. none of them
6 When two protons are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these
7 The displacement coincides with the path of the motion when a body moves is a
A. curved line
B. straight line
C. may be curved or straight
D. none of them
8 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
A. 45°
B. 60°
C. 50°
D. 40°
9 An inertial frame of reference is that frame of reference in which
A. a = 0
B. a > 0
C. a < 0
D. all of them
10 A projectile on its path gets divided into two pieces at its highest point. Which is true?
A. Momentum increases
B. Momentum decreases
C. Kinetic energy increases
D. Kinetic energy decreases

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