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 displacement coincides with the path of the motion when a body moves is a

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

Question # 4

The magnitude of the force producing an acceleration of 10 m/sec2in a body of mass 500 grams is:

Question # 5

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

Question # 6

Acceleration of a body is positive, if the velocity of the body is

Question # 7

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

Question # 8

The magnitude of the force producing an acceleration of 10 m/sec2in a body of mass 500 grams is:

Question # 9

When a horse pulls a cart, the force that makes the horse run forward is the force exerted by

Question # 10

A body whose momentum is constant must have constant

Question # 11

Swimming becomes possible because of______law of motion.

Question # 12

A dirty carpet is to be cleaned by heating. This is in according with______law of motion.

Question # 13

A train is moving with a velocity of 25 m/s and a car is moving behind it by a velocity of 8 m/s in same direction. The relative velocity of train with respect to car is

Question # 14

Work done along a closed path in a gravitational force 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 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
A. Zero
B. g
C. -g
D. V + g
2 When the total displacement is divided by total time taken, we get:
A. Velocity
B. Average speed
C. Average velocity
D. None of these
3 Which quantity has the same units as impulse
A. force
B. work
C. linear momentum
D. acceleration
4 Two bodies of masses 1 kg and 5 kg are dropped gently form the top of a tower. A a point 20 cm from the ground both the bodies will have the same
A. Momentum
B. Kinetic energy
C. Velocity
D. Total energy
5 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
6 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
7 When body moves with increasing acceleration, its velocity time graph is a
A. straight line
B. horizontal straight line
C. vertical straight line
D. curve
8 If the objects of different masses move with the same velocity, then it is more difficult to stop the
A. lighter of the two
B. massive of the two
C. any one of them
D. both of them
9 Change in momentum is one second is called:
A. Impulse
B. Force
C. Energy
D. Work
10 Velocity is a
A. scalar quantity
B. vector quantity
C. constant quantity
D. none of them

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