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

The short distance between two points direction from its initial point to final point is called:

Question # 2

A ball of mass m moving with uniform speed collides elastically with another stationary ball. The incident ball will lose maximum kinetic energy when mass of the stationary ball is

Question # 3

Newton's laws are adequate for speeds that are

Question # 4

When a bicycle is in motion, the frictional forces exerted by the ground are

Question # 5

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

Question # 6

Root out the conventional source of energy:

Question # 7

The vertical component of velocity of a projectile during its motion is minimum

Question # 8

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 # 9

The second law gives the relationship between

Question # 10

Velocity of a body changes if

Question # 11

Newton's first law is also called:

Question # 12

A cold soft drink is kept on the balance. When the cap is opened, then the weight

Question # 13

The direction of the acceleration is the same as that of

Question # 14

The entity which measures the quantity of motion in a body is called

Question # 15

Distance traveled by a body falling from rest in the first, second and third second is in the ration of

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Unit of impulse in
A. Newton
B. Kg m
C. Kg m/s
D. Joule
2 A vehicle of mass 120 kg is moving with a uniform velocity of 108 km/h. The force required to stop the vehicle in 10s is
A. 120 x 10.8 N
B. 180 N
C. 720 N
D. 360 N
3 A the top of the trajectory of a projectile, the directions of its velocity and acceleration are
A. Perpendicular to each other
B. Parallel to each other
C. Inclined to each other at an angle of 45°
D. Anitparallel to each other
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
A. 2100 m/s2
B. 1400 m/s2
C. 700 m/s2
D. 400 m/s2
5 When two protons are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these
6 When two protons are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these
7 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
8 When a shall explodes a mid-air, the total momentum of its fragments is
A. less than the momentum of shell
B. equal to the momentum of shell
C. greater than the momentum of shell
D. none of them
9 The dimension of linear inertia is:
A. MLT2
B. ML°T-2
C. ML°T°
D. MLT-1
10 When brakes are applied to a fast moving car, the passenger will be thrown:
A. Forward
B. Backward
C. Downward
D. none of these

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