ECAT Pre Computer Science Chapter 3 MCQ Test With Answer

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

Try The MCQ's Test For ECAT Physics Chapter 3 Motion and Force

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ECAT Physics Chapter 3 Motion and Force

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Question # 1

The velocity of a body at any instant of its motion is known as

Question # 2

Change in momentum is one second is called:

Question # 3

When a shall explodes a mid-air, the total momentum of its fragments is

Question # 4

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

Question # 5

A body moving with an acceleration of 5 m/sec2started with velocity of 10 m/sec. What will be the distance traversed in 10 seconds?

Question # 6

If d is the displacement of the body in time t, then its average velocity will be

Question # 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

Question # 8

During the projectile motion, the horizontal component of velocity

Question # 9

A typical rocket consists of fuel

Question # 10

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

Question # 11

By which velocity a ball be projected vertically so that the distance covered by it in 5th seconds is twice the distance it covers in its 6th second ( g=10m/s2)

Question # 12

The area under line velocity-time graph is numerically equal to the

Question # 13


Swimming becomes possible because of______law of motion:

Question # 14

A certain force gives an acceleration of 2 m/sec2 to a body if mass 5 kg. The same force would give a 29 kg object an acceleration of:

Question # 15

Acceleration in a body is always produced in the direction of :

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 If two bodies of equal masses moving in the same direction collide elastically, then their velocities.
A. Are added
B. Are subtracted
C. Do not change
D. Are exchanged
2 A body whose momentum is constant must have constant
A. Acceleration
B. Velocity
C. Force
D. None of these
3 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
4 A dirty carpet is to be cleaned by heating. This is an accordance with____ law of motion:
A. First
B. Second
C. Third
D. None of these
5 The decrease in velocity per unit time is called
A. deceleration
B. acceleration
C. uniform acceleration
D. variable acceleration
6 For a given angle of projection, if the time of flight of a projectile is doubled, the horizontal range will increases to
A. Four times
B. Thrice
C. Once
D. Twice
7 The direction of velocity is along the direction of
A. distance
B. displacement
C. acceleration
D. all of them
8 The path (or trajectory) described by a projectile is
A. a parabola
B. a hyperbola
C. a circle
D. a straight line
9 Earth is considered to be
A. a non-inertial frame
B. an inertial frame
C. an accelerated frame
D. none of the above
10 An aircraft is moving with a velocity of 300 ms-1. If all the forces acting on it are balanced, then
A. It still moves with the same velocity
B. It will be just floating at the same point in space
C. It will be fall down instantaneously
D. It will lose its velocity gradually

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