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 distance covered by a body in unit time is called.

Question # 2

A change in position of a body from its initial position to its final position is known as

Question # 3

Dimensions of velocity are

Question # 4

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

Question # 5

The motion of a projectile is

Question # 6

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

Question # 7

Inertial frame of references are those frame of references which are moving with

Question # 8

A lift is moving up with acceleration equal to 1/5 of that due to gravity. The apparent weight of a 60 kg man standing in lift is

Question # 9

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

Question # 10

Velocity is a

Question # 11

A snooker ball moving with velocity V collides head on with another snooker ball of same mass at rest. If the collision is elastic, the velocity of second snooker ball is

Question # 12

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

Question # 13

Maximum height of a bullet when fixed at 30 with horizontal is 11 m. Then height when it is fired at 60° is

Question # 14

A car moves for half of its time at 80 km/h and rest half of time at 40 km/h, The total distance covered is 60 km. What is the average speed of the car?

Question # 15

When a person jumps off the ground, the reaction force of the ground is

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The mass of a body measured by a physical balance in a lift at rest is found to be m, if the lift is going up with an acceleration a, its mass will be measured as
A. m (1 - a/g)
B. m (1 + a/g)
C. m
D. Zero
2 The time rate of change of displacement is called:
A. Time
B. Acceleration
C. Speed
D. Velocity
3 Rocket engines lift a rocket from the earth surface, because hot gas with high velocity
A. Push against the air
B. React against the rocket and push it up
C. Heat up the air which lifts the rocket
D. Push against the earth
4 A mass of 5kg moves with an acceleration of 10m s-2force applied is
A. 10N
B. 50N
C. 2N
D. 20N
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 A body whose momentum is constant must have constant
A. Acceleration
B. Velocity
C. Force
D. None of these
7 Which quantity has the same dimension as that of impulse?
A. KE
B. Power
C. Momentum
D. Work
8 Work done along a closed path in a gravitational field is:
A. Maximum
B. Minimum
C. Zero
D. Unity
9 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
10 If the velocity of the body decreases non-uniformly then the slope of the velocity-time graph will have
A. different values
B. same values
C. zero valves
D. constant valves

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