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

When we consider the average velocity of a body, then the body is moving in

Question # 2

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

Question # 3

Find the total displacement of a body in 8 seconds starting from rest with an acceleration of 20 cm/s2

Question # 4

A body whose momentum is constant must have constant

Question # 5

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

Question # 6

In above figures, tell which set of graphs shows that a body is moving with uniform velocity:

Question # 7

If the slope of the velocity-time graph increases at constant rate with time, then the body is said to have

Question # 8

The decrease in velocity per unit time is called

Question # 9

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

Question # 10

When a bicycle is in motion but not pedaled, the force of friction exerted by the ground on the two wheels is such that it acts

Question # 11

Suppose the water flows out from a pipe at 3kg s-1and its velocity changes from 5m s-1to zero on striking the wall, then the force exerted by water on wall will be

Question # 12

The direction of the acceleration is the same as that of

Question # 13

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 # 14

A body falls freely from rest. It covers as much distance in the last second of its motion as covered in the first three seconds. The body has fallen for a time of

Question # 15

The vertical component of velocity of a projectile during its motion is minimum

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A lift is moving up with acceleration equal to 1/5 of that due to gravity. The apparent weight of a 60 kg man standing in lift is
A. 60 kg wt
B. 72 kg wt
C. 48 kg wt
D. Zero
2
Swimming becomes possible because of______law of motion:
A. First
B. Second
C. Third
D. None of these
3 For a given angle of projection, if the time of flight of a projectile is doubled, the horizontal range will increases to
A. Four times
B. Thrice
C. Once
D. Twice
4 At the top of the trajectory of a projectile the acceleration is
A. The maximum
B. The minimum
C. Zero
D. g
5 A certain force gives an acceleration of 2 m/sec2to a body mass 5 kg. The same force would give a 20 kg object an acceleration of:
A. 0.5 m/sec2
B. 5 m/sec2
C. 1.5 m/sec2
D. 9.8 m/sec2
6 A snooker ball moving with velocity V collides head on with another snooker ball of same mass at rest. If the collision is elastic, the velocity of second snooker ball is
A. Zero
B. Infinity
C. V
D. 2 V
7 If the velocity of the body decreases non-uniformly then the slope of the velocity-time graph will have
A. different values
B. same values
C. zero valves
D. constant valves
8 A boat of mass 40 kg is at rest, A dog of mass 4 kg moves in the boat with a velocity of 10 m/s. What is the velocity of boat?
A. 4 m/s
B. 2 m/s
C. 8 m/s
D. 1 m/s
9 If an iron ball and a wooden ball of the same radius was released from a height 'h' in vacuum, then time taken by both of them to reach ground will be
A. Unequal
B. Exactly equal
C. Roughly equal
D. Zero
10 Ethanol (alcohol) as a type of:
A. Electric fuel
B. Bio fuel
C. Nuclear fuel
D. None of these

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