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

Ethanol (alcohol) as a type of:

Question # 2

A boat of mass 40 kg is at rest, A dog of mass 4 kg moves in the boat with a velocity of 10 m/s. What is the velocity of boat?

Question # 3

A the top of the trajectory of a projectile, the directions of its velocity and acceleration are

Question # 4

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

Question # 5

The consumption source if energy is:

Question # 6

The second law gives the relationship between

Question # 7

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

Question # 8

According to the law of conservation of linear momentum, the total linear momentum of an isolated system

Question # 9

The velocity of a projectile is maximum

Question # 10

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

Question # 11

The direction of the acceleration is the same as that of

Question # 12

The direction of velocity is along the direction of

Question # 13

If rope of lift breaks suddenly. The tension exerted by the surface of lift is (a=Acceleration of lift)

Question # 14

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

Question # 15

Linear momentum is a

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The velocity of a projectile is maximum
A. at the point of projection
B. just before striking the ground
C. at none of them
D. at both of them
2 Suppose the water flows out from a pipe at 3kg s-1and its velocity changes from 5m s-1to zero on striking the wall, then the force exerted by water on wall will be
A. 5 N
B. 10 N
C. 15 N
D. 20 N
3 The direction of the linear momentum is the direction of
A. speed
B. velocity
C. weight
D. none of them
4 Laws of motion are not valid in a system which is
A. inertial
B. non-interial
C. at rest
D. moving with uniform velocity
5 A railway engine (mass 104kg) is moving with a speed of 73 km/h. The force which should be applied to bring it to rest over a distance of 20 m is
A. 3,600 N
B. 7,200 N
C. 10,000 N
D. 100,000 N
6 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
7 The path followed by the projectile is known as:
A. Cycle
B. Hyperbola
C. Trajectory
D. Route
8 The time of flight of a projectile motion equal to
A. half of the time to reach maximum height
B. twice the time to reach maximum height
C. one fourth of time to reach maximum height
D. time to reach maximum height
9 Distance covered by a freely failing body n the first second of its motion will be:
A. 4.9 m
B. 9.8 m
C. 19.6 m
D. 29.4 m
10 When the total displacement is divided by total time taken, we get:
A. Velocity
B. Average speed
C. Average velocity
D. None of these

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