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

What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?

Question # 2

Distance covered by a freely failing body n the first second of its motion will be:

Question # 3

To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined

Question # 4

When a shell explodes in mid-air, its fragments fly off in

Question # 5

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

Question # 6

The projectile motion is composed of

Question # 7

One KWh is equal to:

Question # 8

Distance covered by a freely falling body in 2 sec will be

Question # 9

One newton is a force that produces an acceleration of 0.5 m/sec2in a body of mass:

Question # 10

The SI units of momentum is

Question # 11

Which quantity has the same units as impulse

Question # 12

The horizontal range of projectile, at a certain place, depends upon

Question # 13

A body is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about

Question # 14

At the top of the trajectory of a projectile the acceleration is

Question # 15

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

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The projectile attains maximum horizontal range when it is projected at an angle of
A. 30°
B. 45°
C. 60°
D. 75°
2 The dimension of linear inertia is:
A. MLT2
B. ML°T-2
C. ML°T°
D. MLT-1
3 A mass of 5kg moves with an acceleration of 10m s-2force applied is
A. 10N
B. 50N
C. 2N
D. 20N
4 The magnitude of the force producing an acceleration of 10 m/sec2in a body of mass 500 grams is:
A. 3 N
B. 4 N
C. 5 N
D. 6 N
5 The velocity given to a body to go out of the influence of earth's gravity is known as:
A. Terminal velocity
B. Orbital velocity
C. Escape velocity
D. None of these
6 The vertical component of velocity of a projectile during its motion is minimum
A. at the time of projection
B. at the highest point
C. just before hitting the plane of projection
D. all of them
7 A change in position of a body from its initial position to its final position is known as
A. relative motion
B. displacement
C. distance
D. acceleration
8 The decrease in velocity per unit time is called
A. deceleration
B. acceleration
C. uniform acceleration
D. variable acceleration
9 If an iron ball and a wooden ball of the same radius was released from a height 'h' in vacuum, then time taken by both of them to reach ground will be
A. Unequal
B. Exactly equal
C. Roughly equal
D. Zero
10 The vertical and horizontal range will be equal id angle of projection is
A. 76°
B. 45°
C. 60°
D. 120°

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