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

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

Question # 2

When a shall explodes a mid-air, the total momentum of its fragments is

Question # 3

The quantity F x t is called as

Question # 4

A dirty carpet is to be cleaned by heating. This is an accordance with____ law of motion:

Question # 5

According to the law of conservation of linear momentum, the total linear momentum of an isolated system

Question # 6

A body moving with uniform velocity has

Question # 7

Velocity is a

Question # 8

Slope of velocity time graph represents:

Question # 9

A body of weight 1 N has a kinetic energy of 1 joule when its speed is:

Question # 10

Bodies failing freely under gravity provide good example of motion under

Question # 11

Newton published laws of motion in his famous book "principia" in

Question # 12

The direction of the acceleration is the same as that of

Question # 13

The product of force and time is called change in:

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 For maximum linear distance of travel, a projectile must be fired at an angle of
A. 0°
B. 45°
C. 90°
D. 60°
2 Which one of the following is dimensionless:
A. Acceleration
B. Velocity
C. Density
D. Angle
3 Force is a:
A. Scalar quantity
B. Base quantity
C. Derived quantity
D. None of these
4 For a moving body, at any instant of time
A. If the body is not moving the acceleration is necessarily zero
B. If the body is slowing, the retardation is negative
C. If the body is slowing, the distance is negative
D. If displacement, velocity and acceleration at that instant are known, we can find the displacement at any given time in future
5 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
6 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
7 Newton published laws of motion in his famous book "principia" in
A. 1867
B. 1667
C. 1676
D. 1687
8 Biomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these
9 When a body is moving with uniform positive acceleration, the velocity- time graph is a straight line. Its slope is
A. zero
B. negative
C. positive
D. non-existing
10 Acceleration in a body is always produced in the directin of:
A. Velocity
B. Weight
C. Force
D. Botha B and C

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