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

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

Question # 2

The velocity given to a body to go out of the influence of earth's gravity is known as:

Question # 3

Two bullets are fired simultaneously, horizontally and with different speeds from the same place. Which bullet will hit the ground first?

Question # 4

Root out of the conventional source of energy:

Question # 5

At the top of the trajectory of a projectile the acceleration is

Question # 6

When a force is applied on a body, several effects are possible Which of the following effect could not occur?

Question # 7

Which of the following four statements is false?

Question # 8

If the slope of the velocity-time graph increases at constant rate with time, then the body is said to have

Question # 9

The consumption source if energy is:

Question # 10

Biomass includes:

Question # 11

If the acceleration of a body is not uniform, then velocity-time graph will be:

Question # 12

Tick the conservation force:

Question # 13

The entity which measures the quantity of motion in a body is called

Question # 14

One KWh is equal to:

Question # 15

A dirty carpet is to be cleaned by heating. This is an accordance with____ law of motion:

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Velocity is a
A. scalar quantity
B. vector quantity
C. constant quantity
D. none of them
2 The velocity given to a body to go out of the influence of earth's gravity is known as:
A. Terminal velocity
B. Orbital velocity
C. Escape velocity
D. None of these
3 A ball is dropped from a height of 4.2 meters. To what height it will rise if there is no loss of KE after rebounding?
A. 4.2 m
B. 8.4
C. 12.6
D. None of these
4 If the velocity time graph is a straight line parallel to the time-axis, then it means:
A. The body is moving with uniform velocity
B. The body is moving with uniform acceleration
C. The body is at rest
D. None of these
5 In the expression F x t, the force F is
A. total force
B. instantaneous force
C. average force
D. all of them
6 A body is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about
A. 80 m
B. 20 m
C. 160 m
D. 40 m
7 Which quantity has the same dimension as that of impulse?
A. KE
B. Power
C. Momentum
D. Work
8 When a force is applied on a body, several effects are possible Which of the following effect could not occur?
A. the body rotates
B. the body speeds up
C. the mass of the body decreases
D. the body changes its direction
9 Change in momentum is one second called.
A. Impulse
B. Force
C. Energy
D. Work
10 Ethanol (alcohol) is a type of:
A. Electric fuel
B. Bio fuel
C. Nuclear fuel
D. None of these

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