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

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

Question # 2

Earth is considered to be

Question # 3

If m is the mass of the gases ejected per second with velocity v relative to the rocket of mass M, then the acceleration of rocket is

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 distance covered by a body in unit time is called.

Question # 6

A typical rocket consumes about

Question # 7

The motion of a body in a straight line is the motion in

Question # 8

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

Question # 9

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

Question # 10

The area under line velocity-time graph is numerically equal to the

Question # 11

If the acceleration of a body is negative, then slope of the velocity-time graph will be:

Question # 12

If d is the displacement of the body in time t, then its average velocity will be

Question # 13

Root out the conventional source of energy:

Question # 14

A lift is descending at a constant speed V. A passenger in the lift drops a coin. The acceleration of the coin towards the floor will be

Question # 15

In an elevator moving vertically up with an acceleration 'g' the force exerted on the floor by a passenger of mass M is

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 If d is the displacement of the body in time t, then its average velocity will be
A. Vav= d x t
B. Vav = t/d
C. Vav = d/t
D. Vav = d/t
3 A body moving with uniform velocity has
A. positive acceleration
B. negative acceleration
C. infinite acceleration
D. zero acceleration
4 One newton is a force that produces an acceleration of 0.5 m/sec2in a body of mass:
A. 2 Kg
B. 3 Kg
C. 4 Kg
D. 8 Kg
5 Which of the following is not a projectile
A. a bullet fired from a gun
B. a space ship
C. a football in air
D. an artillery shell
6 Which one of the following is dimensionless.
A. Acceleration
B. Velocity
C. Density
D. Angle
7 A ball is dropped from a height of 4.2 meters. To what height will take it rise if there is no loss of KE after rebounding?
A. 4.2 m
B. 8.4 m
C. 12.6 m
D. none of these
8 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
9 An object thrown upward with an initial velocity at certain angle with the horizontal and moving freely under the action of gravity is called
A. a rocket
B. an aeroplane
C. a projectile
D. a ballon
10 Work done along a closed path in a gravitational force is:
A. maximum
B. Minimum
C. Zero
D. Unity

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