ECAT Pre Engineering Physics Chapter 3 MCQ Test With Answer

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

Try The 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

For maximum linear distance of travel, a projectile must be fired at an angle of

Question # 2

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 # 3

A body of mass 5 kg is acted upon by a constant force of 20 n for 7 seconds. The total change in momentum will be:

Question # 4

Tick the conservative force:

Question # 5

Two projectiles are fired from the same point with the same speed at angles of projection 60° and 30° respectively. Which one of the following is true?

Question # 6

Maximum height of a bullet when fixed at 30 with horizontal is 11 m. Then height when it is fired at 60° is

Question # 7

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

Question # 8

If the velocity of the body decreases non-uniformly then the slope of the velocity-time graph will have

Question # 9

A mass of 5kg moves with an acceleration of 10m s-2force applied is

Question # 10

Newton's laws are adequate for speeds that are

Question # 11

The decrease in velocity per unit time is called

Question # 12

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

Question # 13

The path (or trajectory) described by a projectile is

Question # 14

A body moving with an acceleration of 5 m/sec2started with velocity of 10 m/sec. What will be the distance traversed in 10 seconds?

Question # 15

A body is thrown from a height h with speed u, it hits the ground with speed V

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 One KWh is equal to:
A. 3.6 x 102J
B. 3.6 KJ
C. 3.6 x 101KJ
D. 3.6 MJ
2 A body of weight 1 N has a kinetic energy of 1 joule when its speed is:
A. 1.46 m sec-1
B. 2.44 m sec-1
C. 3.42 m sec-1
D. 4.43 m sec-1
3 Distance covered by a freely falling body in 2 sec will be
A. 4.9 m
B. 19.6 m
C. 29.2 m
D. 44.1 m
4 When a person jumps off the ground, the reaction force of the ground is
A. greater than the weight of the person
B. smaller than the weight of the person
C. equal to the weight of the person
D. zero
5 Which of the following statements for an object in equilibrium is not true?
A. The object must be at rest
B. The object can be at rest
C. The object is moving at constant speed
D. The acceleration of the object is zero
6 Distance traveled by a body falling from rest in the first, second and third second is in the ration of
A. 1 : 2 : 3
B. 1 : 3 : 5
C. 1 : 4 : 9
D. None of the above
7 Essential characteristic of equilibrium is
A. Momentum equal to zero
B. Acceleration equal to zero
C. Kinetic energy equal to zero
D. Velocity equal to zero
8 Blomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these
9 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
10 The mass of the object is a quantities measure of its
A. speed
B. velocity
C. acceleration
D. inertia

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