ECAT Pre General Science Physics Chapter 3 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 3 Motion and Force

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 3 Motion and Force

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ECAT Pre General Science Physics Chapter 3 Motion and Force

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Question # 1

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

Question # 2

A body of mass 1.0 kg is falling with an acceleration of 10 m/s2. Its apparent weight will be (g=10 m/s2)

Question # 3

Linear momentum is a

Question # 4

A body starting from rest covers a distance of 0.45 Km and acquires a velocity of 300 Kmh-1. its acceleration will be

Question # 5

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 # 6

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

Question # 7

Find the total displacement of a body in 8 seconds starting from rest with an acceleration of 20 cm/s2

Question # 8

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

Question # 9

The magnitude of the displacement is a line from initial position to final position which is

Question # 10

An inertial frame of reference is that frame of reference in which

Question # 11

A boat of mass 40 kg is at rest, A dog of mass 4 kg moves in the boat with a velocity of 10 m/s. What is the velocity of boat?

Question # 12

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

Question # 13

The direction of velocity is along the direction of

Question # 14

Root out of the conventional source of energy:

Question # 15

Which one of the following is dimensionless:

Question # 16

The velocity of a projectile is maximum

Question # 17

The path described by a projectile is called its

Question # 18

Two bullets are fired simultaneously, horizontally and with different speeds from the same place. Which bullet will hit the ground first?

Question # 19

The direction of the linear momentum is the direction of

Question # 20

In an elevator moving vertically up with an acceleration 'g' the force exerted on the floor by a passenger of mass M is

Question # 21

A projectile on its path gets divided into two pieces at its highest point. Which is true?

Question # 22

The magnitude of the force producing an acceleration of 10 m/sec2 in a body of mass 500 grams is:

Question # 23

For a fixed force, larger is the mass of a body the

Question # 24

The consumption source if energy is:

Question # 25

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?

Question # 26

When body moves with increasing acceleration, its velocity time graph is a

Question # 27

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

Question # 28

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 # 29

The decrease in velocity per unit time is called

Question # 30

If m is the mass of the gases ejected per second with velocity v relative to the rocket of mass M, then the acceleration of rocket is

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Flight of rocket in the space is an example of
A. Newton's first law
B. Newton's third law
C. Newton's second law
D. all of them
2 Velocity is a
A. scalar quantity
B. vector quantity
C. constant quantity
D. none of them
3 Newton published laws of motion in his famous book "principia" in
A. 1867
B. 1667
C. 1676
D. 1687
4 To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined
A. Parallel
B. Antiparallel
C. At angle 60°
D. Perpendicular to each other
5 A body whose momentum is constant must have constant
A. Acceleration
B. Velocity
C. Force
D. None of these
6 What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?
A. 4 : 5
B. 7 : 9
C. 16 : 25
D. 1 : 1
7 A body is thrown from a height h with speed u, it hits the ground with speed V
A. The value of V is maximum if the body is thrown vertically downward
B. The value of V is maximum if the body is thrown vertically upwards
C. The value of V is minimum if the body is thrown horizontally
D. The value of V does not depend on the direction of which it is thrown
8 Which one of the following is dimensionless:
A. Acceleration
B. Velocity
C. Density
D. Angle
9 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
10 Biomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these

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