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

When a shall explodes a mid-air, the total momentum of its fragments is

Question # 2

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

Question # 3

The discuss used by athlete has a mass of 1 kg, its weight in newton is

Question # 4

A typical rocket ejects the burnt gases at speeds over

Question # 5

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

Question # 6

A dirty carpet is to be cleaned by heating. This is in according with______law of motion.

Question # 7

The direction of the acceleration is the same as that of

Question # 8

Acceleration in a body is always produced in the directin of:

Question # 9

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

Question # 10

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

Question # 11

Which one of the following is dimensionless.

Question # 12

The magnitude of the force producing an acceleration of 10 m/sec2in a body of mass 500 grams is:

Question # 13

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 # 14

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

Question # 15

Work done along a closed path in a gravitational force is:

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Change in momentum is one second is called:
A. Impulse
B. Force
C. Energy
D. Work
2 In velocity of a particle at an instant is 10 m/s and after 5s the velocity of the particle is 20 m/s. The velocity 3s before in m/s is
A. 8
B. 4
C. 6
D. 7
3 The linear momentum of the body is defined as
A. p=ma
B. p=1/2ma
C. p=mv
D. p=1/2mv
4 Which one of the following is dimensionless:
A. Acceleration
B. Velocity
C. Density
D. Angle
5 Blomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these
6 A body starting from rest covers a distance of 0.45 Km and acquires a velocity of 300 Kmh-1. its acceleration will be
A. 7.71 m s-2
B. 0.5m s-2
C. 0.15m s-2
D. 0.092m s-2
7 When two protons are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these
8 Bodies failing freely under gravity provide good example of motion under
A. non-uniform acceleration
B. uniform acceleration
C. variable acceleration
D. increasing acceleration
9 A person is sitting in a traveling train and facing the engine. He tosses up a coin and the coin falls behind him. It can be concluded that the train is
A. Moving forward and gaining speed
B. Moving forward and losing speed
C. Moving forward with uniform speed
D. Moving backward with uniform speed
10 The motion of a body in a straight line is the motion in
A. one dimension
B. two dimension
C. three dimension
D. four dimension

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