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

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 # 2

The dimension of linear inertia is:

Question # 3

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

Question # 4

The short distance between two points direction from its initial point to final point is called:

Question # 5

Inertial frame of references are those frame of references which are moving with

Question # 6

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

Question # 7

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

Question # 8

Newton's laws are adequate for speeds that are

Question # 9

One newton is a force that produces an acceleration of 0.5 m/sec2in a body of mass:

Question # 10

The mass of the object is a quantities measure of its

Question # 11

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

Question # 12

One KWh is equal to:

Question # 13

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 # 14

The range of projectile is 50 m whenθ is inclined with horizontal at 15°. What is the range whenθ becomes 45°?

Question # 15

The linear momentum of the body is defined as

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The magnitude of the displacement is a line from initial position to final position which is
A. straight
B. curved
C. either be curved or straight
D. none of them
2 A ball is dropped downwards After 1 second another ball is dropped downwards from the same point. What is the distance between them after 3 seconds
A. 25 m
B. 20 m
C. 50 m
D. 9.8 m
3 The magnitude of the force producing an acceleration of 10 m/sec2in a body of mass 500 grams is:
A. 3 N
B. 4 N
C. 5 N
D. 6 N
4 The motion of a projectile is
A. one dimension
B. two dimension
C. three dimension
D. all of them
5 A ball of mass m moving with uniform speed collides elastically with another stationary ball. The incident ball will lose maximum kinetic energy when mass of the stationary ball is
A. m
B. 2 m
C. 4 m
D. Infinity
6 A ball is dropped from a height of 4.2 meters. To what height will take it rise if there is no loss of KE after rebounding?
A. 4.2 m
B. 8.4 m
C. 12.6 m
D. none of these
7 Distance traveled by a body falling from rest in the first, second and third second is in the ration of
A. 1 : 2 : 3
B. 1 : 3 : 5
C. 1 : 4 : 9
D. None of the above
8 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
9 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
10 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

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