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

If the instantaneous velocity of a body does not change. the body is said to be moving with

Question # 2

When a bicycle is in motion, the frictional forces exerted by the ground are

Question # 3

Two bullets are fired simultaneously, horizontally and with different speeds from the same place. Which bullet will hit the ground first?

Question # 4

A body is moving with constant velocity of 10 m/sec in the north-east direction. Then its acceleration will be:

Question # 5

If d is the displacement of the body in time t, then its average velocity will be

Question # 6

When a body is moving with uniform positive acceleration, the velocity- time graph is a straight line. Its slope is

Question # 7

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

Question # 8

The velocity of a projectile is maximum

Question # 9

A body of mass 1.0 kg is falling with an acceleration of 10 m/s2. Its apparent weight will be (g=10 m/s2)

Question # 10

The dimension of linear inertia is:

Question # 11

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

Question # 12

Which quantity has the same units as impulse

Question # 13

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

Question # 14

The path described by a projectile is called its

Question # 15

Biomass includes:

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The slopes of the tangent at any point on the curve gives the value of the
A. average velocity at that point
B. instantaneous velocity at that point
C. average acceleration at that point
D. instantaneous acceleration at that point
2 The dimension of linear inertia is:
A. MLT2
B. ML0T-2
C. ML0T0
D. MLT-1
3 When a body is moving on a surface, the force of friction is called
A. Static friction
B. Dynamic friction
C. Limiting friction
D. Rolling friction
4 The motion of a projectile is
A. one dimension
B. two dimension
C. three dimension
D. all of them
5 An aircraft is moving with a velocity of 300 ms-1. If all the forces acting on it are balanced, then
A. It still moves with the same velocity
B. It will be just floating at the same point in space
C. It will be fall down instantaneously
D. It will lose its velocity gradually
6 A railway engine (mass 104kg) is moving with a speed of 73 km/h. The force which should be applied to bring it to rest over a distance of 20 m is
A. 3,600 N
B. 7,200 N
C. 10,000 N
D. 100,000 N
7 Acceleration of a body is positive, if the velocity of the body is
A. constant
B. increasing
C. decreasing
D. none of them
8 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
9 The consumption of energy by a 1000 watt heter in half an hour is:
A. 5 Kwh
B. 0.5 Kwh
C. 2.5 Kwh
D. 3.2 Kwh
10 The vertical component of velocity of a projectile during its motion is minimum
A. at the time of projection
B. at the highest point
C. just before hitting the plane of projection
D. all of them

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