ECAT Pre Engineering Physics Chapter 3 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 3 Motion and Force

Try The 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

When the surfaces are coated with a lubricant, then they

Question # 2

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 # 3

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 # 4

A ball falls on the surface from 10 m height and rebounds to 2.5 m. if the duration of contact with the floor is 0.01 seconds then the average acceleration during contact is

Question # 5

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

Question # 6

Dimensions of velocity are

Question # 7

Which one of the following is dimensionless:

Question # 8

Swimming becomes possible because of______law of motion.

Question # 9

Acceleration of a body is negative if the velocity of the body is

Question # 10

The consumption of energy by a 1000 watt heter in half an hour is:

Question # 11

The dimension of linear inertia is:

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

The direction of the acceleration is the same as that of

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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?
A. 60 km/hr
B. 80 km/hr
C. 120 km/hr
D. 180 km/hr
2 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
A. Zero
B. Infinity
C. V
D. 2 V
3 In the above figures, tell which set is graphs shows that a body is moving uniform velocity:
A. (i) and (ii)
B. (ii) and (iii)
C. (i) and (iii)
D. (ii) and (iv)
4 Find the total displacement of a body in 8 seconds starting from rest with an acceleration of 20 cm/s2
A. 0.064 m
B. 640 cm
C. 64 cm
D. 64 m
5 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
6 The motion in a plane is the motion in
A. one dimension
B. two dimension
C. three dimension
D. four dimension
7 For a fixed force, larger is the mass of a body the
A. greater is its acceleration
B. smaller is its acceleration
C. smaller is its weight
D. zero is its acceleration
8 The vertical and horizontal range will be equal id angle of projection is
A. 76°
B. 45°
C. 60°
D. 120°
9 Tick the conservative force:
A. tension in a string
B. Air resistance
C. Elastic spring force
D. Frictional force
10 Acceleration of a body at any particular instant during its motion is known as
A. average acceleration
B. uniform acceleration
C. instantaneous acceleration
D. all of them

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