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 horse pulls a cart, the force that makes the horse run forward is the force exerted by

Question # 2

If the velocity time graph is a straight line parallel to time-axis, then it means that:

Question # 3

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

Question # 4

Dimensions of velocity are

Question # 5

An aircraft is moving with a velocity of 300 ms-1. If all the forces acting on it are balanced, then

Question # 6

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

Question # 7

An object thrown in arbitrary direction in space with an initial velocity and moving freely under gravity will follow

Question # 8

The artillery shells travel along parabolic paths under the influence of

Question # 9

The linear momentum of the body is defined as

Question # 10

The path described by a projectile is called its

Question # 11

Flight of rocket in the space is an example of

Question # 12

Which of the following is not a projectile

Question # 13

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 # 14

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 # 15

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

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A body is moving with constant velocity of 10 m/sec in the north-east direction. Then its acceleration will be:
A. 10 m/sec2
B. 20 m/sec2
C. 30 m/sec2
D. Zero
2 The magnitude of the force producing an acceleration of 10 m/sec2in a body of mass 500 grams is:
A. 3 N
B. 4 N
C. 5 N
D. 6 N
3 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
4 The decrease in velocity per unit time is called:
A. Variable Acceleration
B. Average Acceleration
C. Retardation
D. None of these
5 The product of force and time is called
A. acceleration
B. linear momentum
C. angular momentum
D. impulse
6 One KWh is equal to:
A. 3.6 x 102J
B. 3.6 KJ
C. 3,6 x 101KJ
D. 3,6 MJ
7 The magnitude of the force producing an acceleration of 10 m/sec2 in a body of mass 500 grams is:
A. 3 N
B. 4 N
C. 5 N
D. 6 N
8 The dimension of linear inertia is:
A. MLT2
B. ML°T-2
C. ML°T°
D. MLT-1
9 An object thrown upward with an initial velocity at certain angle with the horizontal and moving freely under the action of gravity is called
A. a rocket
B. an aeroplane
C. a projectile
D. a ballon
10 A body is thrown from a height h with speed u, it hits the ground with speed V
A. The value of V is maximum if the body is thrown vertically downward
B. The value of V is maximum if the body is thrown vertically upwards
C. The value of V is minimum if the body is thrown horizontally
D. The value of V does not depend on the direction of which it is thrown

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