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 displacement is a line from initial position to final position which is

Question # 2

The direction of velocity is along the direction of

Question # 3

Unit of impulse in

Question # 4

When a shall explodes a mid-air, the total momentum of its fragments is

Question # 5

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

Question # 6

In equation F=ma, then mass 'm' is

Question # 7

Which of the following statements for an object in equilibrium is not true?

Question # 8

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

Question # 9

Tick the conservative force:

Question # 10

When body moves with increasing acceleration, its velocity time graph is a

Question # 11

A monkey sits on the pan of spring scale kept in an elevator. The reading of the spring scale will be maximum when

Question # 12

The vertical and horizontal range will be equal id angle of projection is

Question # 13

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?

Question # 14

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

Question # 15

The decrease in velocity per unit time is called

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Force is a:
A. Scalar quantity
B. Base quantity
C. Derived quantity
D. None of these
2 Inertia mass and gravitational mass are
A. opposite
B. identical
C. identical when there is no friction
D. all of them
3 Acceleration produced in a body by the force varies
A. inversely as the applied force
B. directly as the applied force
C. directly as the mass of the body
D. none of them
4 A cold soft drink is kept on the balance. When the cap is opened, then the weight
A. Increases
B. Decreases
C. First increases, then decreases
D. Remains same
5 When we consider the average velocity of a body, then the body is moving in
A. straight line
B. curved path
C. may be in a straight or curved path
D. none of them
6 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
7 Swimming becomes possible because of______law of motion.
A. First
B. Second
C. Third
D. None of these
8 When two protons are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these
9 If a train traveling at 72 kmph is to be brought to rest in a distance of 200 meters then its retardation should be
A. 20 ms-2
B. 10 ms-2
C. 2 ms-2
D. 1 ms-2
10 An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:
A. 100 m/sec
B. 140 m/sec
C. 1960 m/sec
D. 196 m/sec

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