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

What must be changing when a body is accelerating uniformly?

Question # 2

Ethanol (alcohol) is a type of:

Question # 3

The path followed by the projectile is known as:

Question # 4

When the surfaces are coated with a lubricant, then they

Question # 5

Bodies failing freely under gravity provide good example of motion under

Question # 6

In above figures, tell which set of graphs shows that a body is moving with uniform velocity:

Question # 7

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

Question # 8

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

Question # 9

An aircraft is moving with a velocity of 300 ms-1. If all the forces acting on it are balanced, then

Question # 10

The sum of the magnitude of two forces acting at a point is 18 and the magnitude of their resultant is 12. If the resultant is at 90° with the force of the smaller magnitude, then their magnitudes are

Question # 11

Which one of the following is dimensionless.

Question # 12

A body is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about

Question # 13

Earth is considered to be

Question # 14

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 # 15

The motion in a plane is the motion in

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A train of 150 m length is going towards north direction at a speed of 10 ms-1. A parrot files at a speed of 5 ms-1towards south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to
A. 12 s
B. 8 s
C. 15 s
D. 10 s
2 Tick the conservative force:
A. tension in a string
B. Air resistance
C. Elastic spring force
D. Frictional force
3 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
4 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
5 Acceleration of a body at any particular instant during its motion is known as
A. average acceleration
B. uniform acceleration
C. instantaneous acceleration
D. all of them
6 Blomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these
7 If a ball comes back to its starting point after bouncing off the wall several times, then its
A. total displacement is zero
B. average velocity is zero
C. none of them
D. both of them
8 The sum of the magnitude of two forces acting at a point is 18 and the magnitude of their resultant is 12. If the resultant is at 90° with the force of the smaller magnitude, then their magnitudes are
A. 3, 15
B. 4, 14
C. 5, 13
D. 6, 12
9 A dirty carpet is to be cleaned by heating. This is in according with______law of motion.
A. First
B. Second
C. Third
D. None of these
10 In equation F=ma, then mass 'm' is
A. rest mass
B. variable mass
C. inertial mass
D. gravitational mass

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