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

Change in momentum is one second called.

Question # 2

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

Question # 3

Root out of the conventional source of energy:

Question # 4

A dirty carpet is to be cleaned by heating. This is in according with______law of motion.

Question # 5

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

Question # 6

A vehicle of mass 120 kg is moving with a uniform velocity of 108 km/h. The force required to stop the vehicle in 10s is

Question # 7

The shortest distance between two points directed from its initial point to final point is called:

Question # 8

When a bicycle is in motion, the frictional forces exerted by the ground are

Question # 9

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

Question # 10

Newton's laws are adequate for speeds that are

Question # 11

A cold soft drink is kept on the balance. When the cap is opened, then the weight

Question # 12

Two bullets are fired simultaneously, horizontally and with different speeds from the same place. Which bullet will hit the ground first?

Question # 13

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 # 14

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

Question # 15

A body whose momentum is constant must have constant

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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?
A. 150 m
B. 250 m
C. 350 m
D. 400 m
2 The instantaneous velocity is define as the limiting value of Δd/Δt on the time intervalΔt approaches to
A. zero
B. maximum
C. minimum
D. infinity
3 If the values of instantaneous and average velocities are equal, the body is said to be moving with
A. uniform acceleration
B. uniform speed
C. variable velocity
D. uniform velocity
4 A ball is thrown upwards with a velocity of 100 m/s. It will reach the ground after
A. 10 s
B. 20 s
C. 5 s
D. 40 s
5 The consumption source if energy is:
A. Energy from blomass
B. Hydroelectric energy
C. Geothermal energy
D. None of these
6 Swimming is based on the principle of
A. Newton's 1st law
B. Newton's 2nd law
C. Newton's 3rd law
D. All
7 A car travels first half distance between two places with a speed of 30 km/h and remaining half with a speed of 50 km/h. The average speed of the car is
A. 37.5 km/h
B. 10 km/h
C. 42 km/h
D. 40 km/h
8 In an elevator moving vertically up with an acceleration 'g' the force exerted on the floor by a passenger of mass M is
A. Mg
B. 1/2 Mg
C. Zero
D. 2 Mg
9 Laws of motion are not valid in a system which is
A. inertial
B. non-interial
C. at rest
D. moving with uniform velocity
10 Acceleration of a body at any particular instant during its motion is known as
A. average acceleration
B. uniform acceleration
C. instantaneous acceleration
D. all of them

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