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

If a train traveling at 72 kmph is to be brought to rest in a distance of 200 meters then its retardation should be

Question # 2

The motion of a body in a straight line is the motion in

Question # 3

Graphs which are used to illustrate the variation of velocity of an object with time are called

Question # 4

The expression F x t is called impulse if the time 't' is

Question # 5

Slope of velocity-time graph represents:

Question # 6

Which one of the following is dimensionless:

Question # 7

In above figures, tell which set of graphs shows that a body is moving with uniform velocity:

Question # 8

A ball is dropped from a height of 4.2 meters. To what height it will rise if there is no loss of KE after rebounding?

Question # 9

Change in momentum is one second is called:

Question # 10

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

Question # 11

Which of the following statements for an object in equilibrium is not true?

Question # 12

Rate of change of momentum is called

Question # 13

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 # 14

Blomass includes:

Question # 15

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

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The vertical and horizontal range will be equal id angle of projection is
A. 76°
B. 45°
C. 60°
D. 120°
2 A body moving with uniform velocity has
A. positive acceleration
B. negative acceleration
C. infinite acceleration
D. zero acceleration
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
A. 0.15 x 10-3Ns
B. 0.98 x 10-3Ns
C. 1.5 x 10-3Ns
D. 2.5 x 10-3Ns
4 Rate of change of momentum is called
A. Impulse
B. Force
C. Torque
D. Momentum
5 The projectile attains maximum horizontal range when it is projected at an angle of
A. 30°
B. 45°
C. 60°
D. 75°
6 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
7 Work done along a closed path in a gravitational field is:
A. Maximum
B. Minimum
C. Zero
D. Unity
8 Acceleration of a body is positive, if the velocity of the body is
A. constant
B. increasing
C. decreasing
D. none of them
9 A lift is moving up with acceleration equal to 1/5 of that due to gravity. The apparent weight of a 60 kg man standing in lift is
A. 60 kg wt
B. 72 kg wt
C. 48 kg wt
D. Zero
10 Ethanol (alcohol) is a type of:
A. Electric fuel
B. Bio fuel
C. Nuclear fuel
D. None of these

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