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

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

Question # 2

A change in position of a body from its initial position to its final position is known as

Question # 3

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

Question # 4

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

Question # 5

The path (or trajectory) described by a projectile is

Question # 6

Distance covered by a freely falling body in 2 sec will be

Question # 7

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 # 8

The horizontal component of a projectile moving with initial velocity of 500 ms-1at an angle 60° to x-axis is

Question # 9

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

Question # 10

The motion of a body in a straight line is the motion in

Question # 11

When brakes are applied to a fast moving car, the passengers will be thrown:

Question # 12

Flight of rocket in the space is an example of

Question # 13

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

Question # 14

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

Question # 15

The quantity F x t is called as

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 An object thrown in arbitrary direction in space with an initial velocity and moving freely under gravity will follow
A. a circular path
B. a straight line
C. a hyperbola
D. a parabola
2 The discuss used by athlete has a mass of 1 kg, its weight in newton is
A. 9.8 N
B. 80 N
C. 98 N
D. 100 N
3 A typical rocket consumes about
A. 100 kg s-1of fuel
B. 1000 kg s-1of fuel
C. 10000 kg s-1of fuel
D. 100000 kg s-1of fuel
4 Laws of motion are not valid in a system which is
A. inertial
B. non-interial
C. at rest
D. moving with uniform velocity
5 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
6 When two protons are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these
7 A ball is dropped from a height of 4.2 meters. To what height it will rise if there is no loss of KE after rebounding?
A. 4.2 m
B. 8.4
C. 12.6
D. None of these
8 Dimensions of velocity are
A. [L]
B. [T]
C. [LT-1]
D. [LT-2]
9 A body moving with uniform velocity has
A. positive acceleration
B. negative acceleration
C. infinite acceleration
D. zero acceleration
10 When a force is applied on a body, several effects are possible Which of the following effect could not occur?
A. the body rotates
B. the body speeds up
C. the mass of the body decreases
D. the body changes its direction

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