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

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

A body of weight 1 N has a kinetic energy of 1 joule when its speed is:

Question # 3

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

Question # 4

Velocity of a body changes if

Question # 5

The mass of the object is a quantities measure of its

Question # 6

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

Question # 7

A train of 150 m length is going towards north direction at a speed of 10 ms-1. A parrot files at a speed of 5 ms-1towards south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to

Question # 8

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

Question # 9

A mass of 5kg moves with an acceleration of 10m s-2force applied is

Question # 10

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

Question # 11

If m means mass of gases objected per second from a rocket and v shows the change in velocity, than mv is named as:

Question # 12

Body which falls freely under gravity provides good example of motion under:

Question # 13

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 # 14

The consumption of energy by a 1000 watt heter in half an hour is:

Question # 15

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

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Distance covered by a freely falling body in 2 sec will be
A. 4.9 m
B. 19.6 m
C. 29.2 m
D. 44.1 m
2 Maximum height of a bullet when fixed at 30 with horizontal is 11 m. Then height when it is fired at 60° is
A. 22 m
B. 6 m
C. 33 m
D. 7.8 m
3 The range of projectile is 50 m whenθ is inclined with horizontal at 15°. What is the range whenθ becomes 45°?
A. 400 m
B. 300 m
C. 200 m
D. 100 m
4 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
5 The quantity F x t is called as
A. momentum
B. velocity
C. acceleration
D. impulse
6 A motorist travels A to B at a speed at 40 km/h and returns at speed of 60km/h. His average speed will be
A. 40 km/h
B. 48 km/h
C. 50 km/h
D. 60 km/h
7 Work done along a closed path in a gravitational force is:
A. maximum
B. Minimum
C. Zero
D. Unity
8 A body whose momentum is constant must have constant
A. Acceleration
B. Velocity
C. Force
D. None of these
9 Acceleration in a body is always produced in the direction of :
A. Velocity
B. Weight
C. Force
D. Both B and C
10 Which of the following statements for an object in equilibrium is not true?
A. The object must be at rest
B. The object can be at rest
C. The object is moving at constant speed
D. The acceleration of the object is zero

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