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 will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?

Question # 2

Blomass includes:

Question # 3

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

Question # 4

Distance covered by a freely falling body in 2 sec will be

Question # 5

A projectile on its path gets divided into two pieces at its highest point. Which is true?

Question # 6

Swimming is based on the principle of

Question # 7

The motion in a plane is the motion in

Question # 8

The path described by a projectile is called its

Question # 9

Angular momentum

Question # 10

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

Question # 11

Graphs which are used to illustrate the variation of velocity of an object with time are called

Question # 12

A certain force gives an acceleration of 2 m/sec2 to a body if mass 5 kg. The same force would give a 29 kg object an acceleration of:

Question # 13

If m means mass of gases objected per second from a rocket and v shows the change in velocity, than mv is named as:

Question # 14

If the objects of different masses move with the same velocity, then it is more difficult to stop the

Question # 15

If a ball comes back to its starting point after bouncing off the wall several times, then its

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A typical rocket consumes about
A. 100 kg s-1of fuel
B. 1000 kg s-1of fuel
C. 10000 kg s-1of fuel
D. 100000 kg s-1of fuel
2 Which quantity has the same dimension as that of impulse?
A. KE
B. Power
C. Momentum
D. Work
3 Rocket engines lift a rocket from the earth surface, because hot gas with high velocity
A. Push against the air
B. React against the rocket and push it up
C. Heat up the air which lifts the rocket
D. Push against the earth
4 If two bodies of equal masses moving in the same direction collide elastically, then their velocities.
A. Are added
B. Are subtracted
C. Do not change
D. Are exchanged
5 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
6 The decrease in velocity per unit time is called
A. deceleration
B. acceleration
C. uniform acceleration
D. variable acceleration
7 A ball of mass m moving with uniform speed collides elastically with another stationary ball. The incident ball will lose maximum kinetic energy when mass of the stationary ball is
A. m
B. 2 m
C. 4 m
D. Infinity
8 If the velocity of the body decreases non-uniformly then the slope of the velocity-time graph will have
A. different values
B. same values
C. zero valves
D. constant valves
9 A rocket carries its own fuel in the form of
A. liquid only
B. liquid or solid
C. liquid and solid
D. liquid or solid and oxygen
10 The shortest distance between two points directed from its initial point to final point is called:
A. Velocity
B. Displacement
C. Speed
D. Distance

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