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 second law gives the relationship between

Question # 2

An aircraft is moving with a velocity of 300 ms-1. If all the forces acting on it are balanced, then

Question # 3

The direction of the linear momentum is the direction of

Question # 4

Laws of motion are not valid in a system which is

Question # 5

Change in momentum is one second called.

Question # 6

Root out of the conventional source of energy:

Question # 7

A ball is thrown upwards with a velocity of 100 m/s. It will reach the ground after

Question # 8

A non-inertial frame of reference is that frame of reference in which

Question # 9

Work done along a closed path in a gravitational force is:

Question # 10

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

Question # 11

Which one of the following is dimensionless:

Question # 12

The projectile motion is composed of

Question # 13

A man sitting in a bus travelling in a direction from west to east with a speed of 40 km/h observes that the rain drops are falling vertically down. To the another man standing on ground the rain will appear

Question # 14

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

Question # 15

The projectile attains maximum horizontal range when it is projected at an angle of

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 If speed of electron is 5 x 105m/s. How long does it take one electron to transverse 1 m?
A. 1 x 106
B. 2 x 106
C. 2 x 105
D. 1 x 105
2 A mass of 5kg moves with an acceleration of 10m s-2force applied is
A. 10N
B. 50N
C. 2N
D. 20N
3 During the upward motion of the projectile, the vertical component of velocity.
A. Decreases
B. Increases
C. Remains constant
D. None of these
4 The distance covered by a body in unit time is called.
A. Displacement
B. speed
C. Velocity
D. Both B and C
5 Newton's first law is also called:
A. Law of torque
B. Law of force
C. Law of inertia
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 projectile motion is composed of
A. horizontal motion only
B. vertical motion only
C. horizontal and vertical motion
D. none of them
8 A train cover 90 km in half an hour. the time taken by it to travel 15 km will be:
A. 20 minutes
B. 48 minutes
C. 10 minutes
D. 5 minutes
9 A particle of mass 0.5 g moving along x-axis is located of x1= 15 m at t1= 5s and x2= 33 m at t2= 13s its average velocity is
A. 6 m s-1
B. 2.45 m s-1
C. 2.25 m s-1
D. 4.45 m s-1
10 If rope of lift breaks suddenly. The tension exerted by the surface of lift is (a=Acceleration of lift)
A. mg
B. m (g+a)
C. m (g - a)
D. 0

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