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

The path followed by the projectile is known as:

Question # 2

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

Question # 3

A monkey sits on the pan of spring scale kept in an elevator. The reading of the spring scale will be maximum when

Question # 4

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

Question # 5

The distance covered by a body in unit time is called.

Question # 6

Acceleration of a body is positive, if the velocity of the body is

Question # 7

A train is moving with a velocity of 25 m/s and a car is moving behind it by a velocity of 8 m/s in same direction. The relative velocity of train with respect to car is

Question # 8

One newton is a force that produces an acceleration of 0.5 m/sec2in a body of mass:

Question # 9

Inertial frame of references are those frame of references which are moving with

Question # 10

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 # 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

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 # 13

The expression F x t is called impulse if the time 't' is

Question # 14

The velocity given to a body to go out of the influence of earth's gravity is known as:

Question # 15

The product of force and time is called change in:

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 When a body is moving with uniform positive acceleration, the velocity- time graph is a straight line. Its slope is
A. zero
B. negative
C. positive
D. non-existing
2 An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:
A. 100 m/sec
B. 140 m/sec
C. 1960 m/sec
D. 196 m/sec
3 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
4 Inertia mass and gravitational mass are
A. opposite
B. identical
C. identical when there is no friction
D. all of them
5 When a shall explodes a mid-air, the total momentum of its fragments is
A. less than the momentum of shell
B. equal to the momentum of shell
C. greater than the momentum of shell
D. none of them
6 A force of 50 dynes is acted on a body of mass 5 g which is at rest, for an interval of 3 seconds, then impulse is
A. 0.15 x 10-3Ns
B. 0.98 x 10-3Ns
C. 1.5 x 10-3Ns
D. 2.5 x 10-3Ns
7 The collision in which KE is conserved but momentum is not conserved is called:
A. Elastic collision
B. Inelastic collision
C. any these
D. None of these
8 The path described by a projectile is called its
A. orbit
B. trajectory
C. range
D. distance
9 Force is a:
A. Scalar quantity
B. Base quantity
C. Derived quantity
D. None of these
10 Acceleration of a body is negative if the velocity of the body is
A. constant
B. increasing
C. decreasing
D. none of them

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