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

Acceleration produced in a body by a force varies

Question # 2

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

Question # 3

A monkey sits on the pan of spring scale kept in an elevator. The reading of the spring scale will be maximum when

Question # 4

A typical rocket consumes about

Question # 5

A rocket carries its own fuel in the form of

Question # 6

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

Question # 7

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

Question # 8

A ball falls on the surface from 10 m height and rebounds to 2.5 m. if the duration of contact with the floor is 0.01 seconds then the average acceleration during contact is

Question # 9

A body of mass 5 kg is acted upon by a total change n momentum will be:

Question # 10

To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined

Question # 11

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

Question # 12

The linear momentum of the body is defined as

Question # 13

One KWh is equal to:

Question # 14

The velocity of a projectile is maximum

Question # 15

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

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 When two protons are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these
2 A non-inertial frame of reference is that frame of reference in which
A. a = 0
B. a > 0 or a < 0
C. v = 0
D. none of them
3 The velocity of a body at any instant of its motion is known as
A. average velocity
B. instantaneous velocity
C. uniform velocity
D. none of them
4 When two protons are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these
5 The motion of a projectile is
A. one dimension
B. two dimension
C. three dimension
D. all of them
6 A body of mass 5 kg is acted upon by a total change n momentum will be:
A. 10 NS
B. 100 NS
C. 140 NS
D. 200 NS
7 The artillery shells travel along parabolic paths under the influence of
A. magnetic field
B. electric field
C. electromagnetic field
D. gravitational field
8 Blomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these
9 A monkey sits on the pan of spring scale kept in an elevator. The reading of the spring scale will be maximum when
A. Elevator is stationary
B. Elevator cable breaks and it falls freely towards earth
C. Elevator accelerates downwards
D. Elevator accelerates upward
10 A ball falls on the surface from 10 m height and rebounds to 2.5 m. if the duration of contact with the floor is 0.01 seconds then the average acceleration during contact is
A. 2100 m/s2
B. 1400 m/s2
C. 700 m/s2
D. 400 m/s2

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