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 area under line velocity-time graph is numerically equal to the

Question # 2

If the velocity of the body decreases non-uniformly then the slope of the velocity-time graph will have

Question # 3

When the mass of the colliding body is much larger than the mass of the body at rest, its velocity after collision.

Question # 4

Acceleration of a body at any particular instant during its motion is known as

Question # 5

When body moves with increasing acceleration, its velocity time graph is a

Question # 6

Which quantity has the same dimension as that of impulse?

Question # 7

The velocity of a body at any instant of its motion is known as

Question # 8

The path (or trajectory) described by a projectile is

Question # 9

Swimming is based on the principle of

Question # 10

The motion in a plane is the motion in

Question # 11

A body is thrown from a height h with speed u, it hits the ground with speed V

Question # 12

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

Question # 13

A typical rocket consists of fuel

Question # 14

A 5 kg mass is falling freely, the force acting on, it will be

Question # 15

The slopes of the tangent at any point on the curve gives the value of the

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The displacement coincides with the path of the motion when a body moves is a
A. curved line
B. straight line
C. may be curved or straight
D. none of them
2 A body whose momentum is constant must have constant
A. Acceleration
B. Velocity
C. Force
D. None of these
3 Bodies failing freely under gravity provide good example of motion under
A. non-uniform acceleration
B. uniform acceleration
C. variable acceleration
D. increasing acceleration
4 If d is the displacement of the body in time t, then its average velocity will be
A. Vav= d x t
B. Vav = t/d
C. Vav = d/t
D. Vav = d/t
5 When body moves with increasing acceleration, its velocity time graph is a
A. straight line
B. horizontal straight line
C. vertical straight line
D. curve
6 The time of flight of a projectile motion equal to
A. half of the time to reach maximum height
B. twice the time to reach maximum height
C. one fourth of time to reach maximum height
D. time to reach maximum height
7 To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined
A. Parallel
B. Antiparallel
C. At angle 60°
D. Perpendicular to each other
8 The effect of applying a force on a moving body is to change
A. its direction of motion only
B. its speed of motion only
C. both the direction and speed of motion
D. its inertia only
9 The quantity F x t is called as
A. momentum
B. velocity
C. acceleration
D. impulse
10 The horizontal range of projectile, at a certain place, depends upon
A. the mass of the projectile
B. velocity of projection
C. angle of projection
D. angle as well as velocity of projection

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