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

The magnitude of the force producing an acceleration of 10 m/sec2 in a body of mass 500 grams is:

Question # 2

Ethanol (alcohol) as a type of:

Question # 3

Rocket engines lift a rocket from the earth surface, because hot gas with high velocity

Question # 4

Distance traveled by a body falling from rest in the first, second and third second is in the ration of

Question # 5

The dimension of linear inertia is:

Question # 6

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

Question # 7

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

Question # 8

For a given angle of projection, if the time of flight of a projectile is doubled, the horizontal range will increases to

Question # 9

One KWh is equal to:

Question # 10

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 # 11

A body of mass 5 kg is acted upon by a total change n momentum will be:

Question # 12

When the surfaces are coated with a lubricant, then they

Question # 13

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

Question # 14

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

Question # 15

When a body is moving on a surface, the force of friction is called

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The decrease in velocity per unit time is called:
A. Variable Acceleration
B. Average Acceleration
C. Retardation
D. None of these
2 The area under line velocity-time graph is numerically equal to the
A. speed of the body
B. acceleration of the body
C. distance covered by the body
D. none of them
3 During the upward motion of the projectile, the vertical component of velocity.
A. Decreases
B. Increases
C. Remains constant
D. None of these
4 A motorist travels A to B at a speed at 40 km/h and returns at speed of 60km/h. His average speed will be
A. 40 km/h
B. 48 km/h
C. 50 km/h
D. 60 km/h
5 Bodies which falls freely under gravity provides good example of motion under:
A. Uniform acceleration
B. Non-uniform acceleration
C. Uniform velocity
D. None of these
6 The quantity F x t is called as
A. momentum
B. velocity
C. acceleration
D. impulse
7 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
8 Earth is considered to be
A. a non-inertial frame
B. an inertial frame
C. an accelerated frame
D. none of the above
9 If the velocity time graph is a straight line parallel to time-axis, then it means that:
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 above
10 If the acceleration of a body is negative, then slope of the velocity-time graph will be:
A. Zero
B. Positive
C. Negative
D. Infinity

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