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

Slope of velocity time graph represents:

Question # 2

During the projectile motion, the horizontal component of velocity

Question # 3

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

Question # 4

Change in momentum is one second is called:

Question # 5

When a shell explodes in mid-air, its fragments fly off in

Question # 6

If the velocity time graph is a straight line parallel to the time-axis, then it means:

Question # 7

The time rate of change of displacement is called:

Question # 8

Newton's laws are adequate for speeds that are

Question # 9

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

Question # 10

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 # 11

The vertical component of velocity of a projectile during its motion is minimum

Question # 12

A non-inertial frame of reference is that frame of reference in which

Question # 13

An aircraft is moving with a velocity of 300 ms-1. If all the forces acting on it are balanced, then

Question # 14

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

Question # 15

If the water falls from a dam into a turbine wheel 19.6 m below, then the velocity of water at the turbine, is (Take g=9.8 m/s2)

Question # 16

A 120 m long train is moving in a direction with speed 20 m/s. A train B moving with 30 m/s in the opposite direction and 130 m long crosses the first train in a time

Question # 17

Newton's first law is also called:

Question # 18

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

Question # 19

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

Question # 20

The projectile attains maximum horizontal range when it is projected at an angle of

Question # 21

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

Question # 22

Angular momentum

Question # 23

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

Question # 24

A body of mass 5 kg is acted upon by a total change n momentum will be:

Question # 25

The effect of applying a force on a moving body is to change

Question # 26

In velocity of a particle at an instant is 10 m/s and after 5s the velocity of the particle is 20 m/s. The velocity 3s before in m/s is

Question # 27

Acceleration in a body is always produced in the directin of:

Question # 28

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

Question # 29

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

Question # 30

The direction of velocity is along the direction of

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Bodies failing freely under gravity provide good example of motion under
A. non-uniform acceleration
B. uniform acceleration
C. variable acceleration
D. increasing acceleration
2 Ethanol (alcohol) as a type of:
A. Electric fuel
B. Bio fuel
C. Nuclear fuel
D. None of these
3 A car travels first half distance between two places with a speed of 30 km/h and remaining half with a speed of 50 km/h. The average speed of the car is
A. 37.5 km/h
B. 10 km/h
C. 42 km/h
D. 40 km/h
4 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
5 Slope of velocity time graph represents:
A. Acceleration
B. Speed
C. Torque
D. Work
6 The area under line velocity-time graph is numerically equal to the
A. speed of the body
B. acceleration of the body
C. distance covered by the body
D. none of them
7 Acceleration of a body is positive, if the velocity of the body is
A. constant
B. increasing
C. decreasing
D. none of them
8 A 5 kg mass is falling freely, the force acting on, it will be
A. 19.6 N
B. 9.8 N
C. 5 N
D. Zero
9 The SI units of momentum is
A. kg m s-2
B. kg ms
C. kg m s2
D. N-s
10 The path followed by the projectile is known as:
A. Cycle
B. Hyperbola
C. Trajectory
D. Route

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