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

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

Question # 2

Acceleration produced in a body by a force varies

Question # 3

A ball falls on the surface from 10 m height and rebounds to 2.5 m. if the duration of contact with the floor is 0.01 seconds then the average acceleration during contact is

Question # 4

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 # 5

The shortest distance between two points directed from its initial point to final point is called:

Question # 6

A body of weight 1 N has a kinetic energy of 1 joule when its speed is:

Question # 7

A the top of the trajectory of a projectile, the directions of its velocity and acceleration are

Question # 8

The motion in a plane is the motion in

Question # 9

If a car rest acceleration uniformly to a speed of 144 km/h in 20 s it covers a distance of

Question # 10

During the upward motion of the projectile, the vertical component of velocity:

Question # 11

The displacement coincides with the path of the motion when a body moves is a

Question # 12

A typical rocket ejects the burnt gases at speeds over

Question # 13

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

Question # 14

A stone is dropped from rest from the top of a tower 19.6 m high. The distance traveled during the last second of its fall is (giving g=9.8 m/ss)

Question # 15

The path followed by the projectile is known as:

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 When a person jumps off the ground, the reaction force of the ground is
A. greater than the weight of the person
B. smaller than the weight of the person
C. equal to the weight of the person
D. zero
2 A non-inertial frame of reference is that frame of reference in which
A. a = 0
B. a > 0 or a < 0
C. v = 0
D. none of them
3 When two protons are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these
4 The mass of the object is a quantities measure of its
A. speed
B. velocity
C. acceleration
D. inertia
5 The second law gives the relationship between
A. mass and velocity
B. force and acceleration
C. velocity and acceleration
D. mass and weight
6 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)
A. 1.0 kg wt
B. 2.0 kg wt
C. 0.5 kg wt
D. Zero
7 A body walks to his school at a distance of 6 km with a speed of 2.5 km/h and walks back with a constant speed of 5 km/h. His average speed for round trip expressed in km/h is
A. 24/13
B. 10/3
C. 3
D. 4,8
8 In the expression F x t, the force F is
A. total force
B. instantaneous force
C. average force
D. all of them
9 Acceleration in a body is always produced in the direction of :
A. Velocity
B. Weight
C. Force
D. Both B and C
10 The instantaneous velocity is define as the limiting value of Δd/Δt on the time intervalΔt approaches to
A. zero
B. maximum
C. minimum
D. infinity

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