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

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

Question # 2

Slope of velocity time graph represents:

Question # 3

A typical rocket consumes about

Question # 4

A car travels first half distance between two places with a speed of 30 km/h and remaining half with a speed of 50 km/h. The average speed of the car is

Question # 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

Question # 6

The decrease in velocity per unit time is called:

Question # 7

The path followed by the projectile is known as:

Question # 8

A projectile on its path gets divided into two pieces at its highest point. Which is true?

Question # 9

Inertia mass and gravitational mass are

Question # 10

An inertial frame of reference is that frame of reference in which

Question # 11

During the upward motion of the projectile, the vertical component of velocity.

Question # 12

A body of weight 1 N has a kinetic energy of 1 joule when its speed is:

Question # 13

An object thrown in arbitrary direction in space with an initial velocity and moving freely under gravity will follow

Question # 14

The direction of velocity is along the direction of

Question # 15

Newton's first law is also called:

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 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
4 If the slope of the velocity-time graph increases at constant rate with time, then the body is said to have
A. uniform deceleration
B. uniform negative acceleration
C. average acceleration
D. uniform positive acceleration
5 The expression F x t is called impulse if the time 't' is
A. zero
B. very large
C. very small
D. infinite
6 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
7 Two bullets are fired simultaneously, horizontally and with different speeds from the same place. Which bullet will hit the ground first?
A. The faster one
B. Depends on their mass
C. The slower one
D. Both will reach simultaneously
8 When the mass of the colliding body is much larger than the mass of the body at rest, its velocity after collision.
A. Becomes half
B. Becomes zero
C. Ramains same
D. Becomes double
9 Linear momentum is a
A. fixed quantity
B. constant quantity
C. scalar quantity
D. vector quantity
10 If the objects of different masses move with the same velocity, then it is more difficult to stop the
A. lighter of the two
B. massive of the two
C. any one of them
D. both of them

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