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

A person is sitting in a traveling train and facing the engine. He tosses up a coin and the coin falls behind him. It can be concluded that the train is

Question # 2

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

Question # 3

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

Question # 4

Velocity of a body changes if

Question # 5

A ball is dropped from a certain height and another ball is projected horizontally from the same point. Which of the following statement is correct?

Question # 6

The distance covered by a body in unit time is called.

Question # 7

Newton's laws are adequate for speeds that are

Question # 8

The instantaneous velocity is define as the limiting value of Δd/Δt on the time intervalΔt approaches to

Question # 9

The decrease in velocity per unit time is called:

Question # 10

A man sitting in a bus travelling in a direction from west to east with a speed of 40 km/h observes that the rain drops are falling vertically down. To the another man standing on ground the rain will appear

Question # 11

An object thrown upward with an initial velocity at certain angle with the horizontal and moving freely under the action of gravity is called

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Change in momentum is one second called.
A. Impulse
B. Force
C. Energy
D. Work
2 Body which falls freely under gravity provides good example of motion under:
A. Uniform acceleration
B. Non-uniform acceleration
C. Uniform velocity
D. None of these
3 In the above figures, tell which set is graphs shows that a body is moving uniform velocity:
A. (i) and (ii)
B. (ii) and (iii)
C. (i) and (iii)
D. (ii) and (iv)
4 One newton is a force that produces an acceleration of 0.5 m/sec2in a body of mass:
A. 2 kg
B. 3 kg
C. 4 kg
D. 8 kg
5 The velocity given to a body to go out of the influence of earth's gravity is known as:
A. Terminal velocity
B. Orbital velocity
C. Escape velocity
D. None of these
6 When body moves with increasing acceleration, its velocity time graph is a
A. straight line
B. horizontal straight line
C. vertical straight line
D. curve
7 For a fixed force, larger is the mass of a body the
A. greater is its acceleration
B. smaller is its acceleration
C. smaller is its weight
D. zero is its acceleration
8 Acceleration in a body is always produced in the direction of :
A. Velocity
B. Weight
C. Force
D. Both B and C
9 Acceleration of a body is negative if the velocity of the body is
A. constant
B. increasing
C. decreasing
D. none of them
10 A body is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about
A. 80 m
B. 20 m
C. 160 m
D. 40 m

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