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

A non-inertial frame of reference is that frame of reference in which

Question # 2

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

Question # 3

Acceleration produced in a body by a force varies

Question # 4

A typical rocket ejects the burnt gases at speeds over

Question # 5

A 120 m long train is moving in a direction with speed 20 m/s. A train B moving with 30 m/s in the opposite direction and 130 m long crosses the first train in a time

Question # 6

The path followed by the projectile is known as:

Question # 7

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

Question # 8

A body walks to his school at a distance of 6 km with a speed of 2.5 km/h and walks back with a constant speed of 5 km/h. His average speed for round trip expressed in km/h is

Question # 9

If a car rest acceleration uniformly to a speed of 144 km/h in 20 s it covers a distance of

Question # 10

One newton is a force that produces an acceleration of 0.5 m/sec2in a body of mass:

Question # 11

Ethanol (alcohol) is a type of:

Question # 12

Unit of impulse in

Question # 13

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 # 14

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

Question # 15

A ball is dropped vertically down and it takes time t to reach the ground. At time t/2

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Blomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these
2 A the top of the trajectory of a projectile, the directions of its velocity and acceleration are
A. Perpendicular to each other
B. Parallel to each other
C. Inclined to each other at an angle of 45°
D. Anitparallel to each other
3 Ethanol (alcohol) as a type of:
A. Electric fuel
B. Bio fuel
C. Nuclear fuel
D. None of these
4 Newton published laws of motion in his famous book "principia" in
A. 1867
B. 1667
C. 1676
D. 1687
5 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?
A. 4 m/s
B. 2 m/s
C. 8 m/s
D. 1 m/s
6 A body of weight 1 N has a kinetic energy of 1 joule when its speed is:
A. 1.46 m sec-1
B. 2.44 m sec-1
C. 3.42 m sec-1
D. 4.43 m sec-1
7 Acceleration of a body is negative if the velocity of the body is
A. constant
B. increasing
C. decreasing
D. none of them
8 Inertia mass and gravitational mass are
A. opposite
B. identical
C. identical when there is no friction
D. all of them
9 Unit of impulse in
A. Newton
B. Kg m
C. Kg m/s
D. Joule
10 When a horse pulls a cart, the force that makes the horse run forward is the force exerted by
A. The horse on the ground
B. The horse on the cart
C. The ground on the horse
D. The ground on the cart

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