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 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:

Question # 2

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

Question # 3

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

Question # 4

Which of the following is not a projectile

Question # 5

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

Question # 6

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 # 7

Slope of velocity time graph represents:

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:

Question # 12

Inertia mass and gravitational mass are

Question # 13

An inertial frame of reference is that frame of reference in which

Question # 14

Laws of motion are not valid in a system which is

Question # 15

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?

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The area under line velocity-time graph is numerically equal to the
A. speed of the body
B. acceleration of the body
C. distance covered by the body
D. none of them
2 The dimension of linear inertia is:
A. MLT2
B. ML°T-2
C. ML°T°
D. MLT-1
3 In above figures, tell which set of graphs shows that a body is moving with uniform velocity:
A. (i) and (ii)
B. (ii) and (iii)
C. (iii) and (iv)
4 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
5 Ethanol (alcohol) is a type of:
A. Electric fuel
B. Bio fuel
C. Nuclear fuel
D. None of these
6 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
7 When brakes are applied to a fast moving car, the passengers will be thrown:
A. Forward
B. Backward
C. Downward
D. None of these
8 During the upward motion of the projectile, the vertical component of velocity:
A. Decreases
B. Increases
C. Remains constant
D. None of these
9 Distance covered by a freely failing body n the first second of its motion will be:
A. 4.9 m
B. 9.8 m
C. 19.6 m
D. 29.4 m
10 The range of projectile is 50 m whenθ is inclined with horizontal at 15°. What is the range whenθ becomes 45°?
A. 400 m
B. 300 m
C. 200 m
D. 100 m

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