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 velocity of a projectile is maximum

Question # 2

When a bicycle is in motion but not pedaled, the force of friction exerted by the ground on the two wheels is such that it acts

Question # 3

A lift is descending at a constant speed V. A passenger in the lift drops a coin. The acceleration of the coin towards the floor will be

Question # 4

A dirty carpet is to be cleaned by heating. This is an accordance with____ law of motion:

Question # 5

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 # 6

The shortest distance between two points directed from its initial point to final point is called:

Question # 7

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

Question # 8

During the upward motion of the projectile, the vertical component of velocity.

Question # 9

A typical rocket consists of fuel

Question # 10

The motion of a projectile is

Question # 11

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

Question # 12

A rocket carries its own fuel in the form of

Question # 13

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

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A cold soft drink is kept on the balance. When the cap is opened, then the weight
A. Increases
B. Decreases
C. First increases, then decreases
D. Remains same
2 The consumption of energy by a 1000 watt heter in half an hour is:
A. 5 Kwh
B. 0.5 Kwh
C. 2.5 Kwh
D. 3.2 Kwh
3 In an elevator moving vertically up with an acceleration 'g' the force exerted on the floor by a passenger of mass M is
A. Mg
B. 1/2 Mg
C. Zero
D. 2 Mg
4 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?
A. Both hit the ground at the same veloctiy
B. Both hit the ground at the same speed
C. The change of velocity during the path for both balls is the same
D. The change of speed during the path for both balls is the same
5 If the slope of the velocity-time graph increases at constant rate with time, then the body is said to have
A. uniform deceleration
B. uniform negative acceleration
C. average acceleration
D. uniform positive acceleration
6 The expression F x t is called impulse if the time 't' is
A. zero
B. very large
C. very small
D. infinite
7 The consumption source if energy is:
A. Energy from blomass
B. Hydroelectric energy
C. Geothermal energy
D. None of these
8 A monkey sits on the pan of spring scale kept in an elevator. The reading of the spring scale will be maximum when
A. Elevator is stationary
B. Elevator cable breaks and it falls freely towards earth
C. Elevator accelerates downwards
D. Elevator accelerates upward
9 If the instantaneous velocity of a body does not change. the body is said to be moving with
A. average velocity
B. uniform velocity
C. instantaneous velocity
D. variable velocity
10 Swimming becomes possible because of______law of motion.
A. First
B. Second
C. Third
D. None of these

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