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

Acceleration produced in a body by the force varies

Question # 2

The motion of a projectile is

Question # 3

When brakes are applied to a fast moving car, the passenger will be thrown:

Question # 4

The path followed by the projectile is known as:

Question # 5

Dimensions of velocity are

Question # 6

The linear momentum of the body is defined as

Question # 7

When we consider the average velocity of a body, then the body is moving in

Question # 8

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

Question # 9

The velocity of a projectile is maximum

Question # 10

Biomass includes:

Question # 11

The path (or trajectory) described by a projectile is

Question # 12

A man fires a bullet of mass 200 g at a speed of 5 m/s. The gun is of one kg mass. By what velocity the gun rebounds backwards?

Question # 13

A force of 50 dynes is acted on a body of mass 5 g which is at rest, for an interval of 3 seconds, then impulse is

Question # 14

When brakes are applied to a fast moving car, the passengers will be thrown:

Question # 15

A ball is dropped from a certain height and another ball is projected horizontally from the same point. Which of the following statement is correct?

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The magnitude of the force producing an acceleration of 10 m/sec2in a body of mass 500 grams is:
A. 3 N
B. 4 N
C. 5 N
D. 6 N
2 Ethanol (alcohol) is a type of:
A. Electric fuel
B. Bio fuel
C. Nuclear fuel
D. None of these
3 Bodies failing freely under gravity provide good example of motion under
A. non-uniform acceleration
B. uniform acceleration
C. variable acceleration
D. increasing acceleration
4 When brakes are applied to a fast moving car, the passengers will be thrown:
A. Forward
B. Backward
C. Downward
D. None of these
5 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
6 When a person jumps off the ground, the reaction force of the ground is
A. greater than the weight of the person
B. smaller than the weight of the person
C. equal to the weight of the person
D. zero
7 A train is moving with a velocity of 25 m/s and a car is moving behind it by a velocity of 8 m/s in same direction. The relative velocity of train with respect to car is
A. 17 m/s
B. 33 m/s
C. 17.5 m/s
D. none
8 The direction of the acceleration is the same as that of
A. speed
B. velocity
C. both of them
D. none of them
9 A train of 150 m length is going towards north direction at a speed of 10 ms-1. A parrot files at a speed of 5 ms-1towards south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to
A. 12 s
B. 8 s
C. 15 s
D. 10 s
10 A ball is dropped vertically down and it takes time t to reach the ground. At time t/2
A. The ball had covered exactly half the distance
B. The velocity of the ball was V/3 where V is the velocity when it reached the ground
C. The ball had covered less than half the distance
D. The ball had covered more than half the distance

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