ECAT Pre Engineering Physics Chapter 3 MCQ Test With Answer

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

Try The 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 discuss used by athlete has a mass of 1 kg, its weight in newton is

Question # 2

The motion in a plane is the motion in

Question # 3

The motion of a body in a straight line is the motion in

Question # 4

If the velocity of the body decreases non-uniformly then the slope of the velocity-time graph will have

Question # 5

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 # 6

In equation F=ma, then mass 'm' is

Question # 7

When a shall explodes a mid-air, the total momentum of its fragments is

Question # 8

Graphs which are used to illustrate the variation of velocity of an object with time are called

Question # 9

A car moves for half of its time at 80 km/h and rest half of time at 40 km/h, The total distance covered is 60 km. What is the average speed of the car?

Question # 10

Rocket engines lift a rocket from the earth surface, because hot gas with high velocity

Question # 11

Acceleration produced in a body by a force varies

Question # 12

By which velocity a ball be projected vertically so that the distance covered by it in 5th seconds is twice the distance it covers in its 6th second ( g=10m/s2)

Question # 13

Which quantity has the same dimension as that of impulse?

Question # 14

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

Question # 15

The path followed by the projectile is known as:

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 If the velocity time graph is a straight line parallel to the time-axis, then it means:
A. The body is moving with uniform velocity
B. The body is moving with uniform acceleration
C. The body is at rest
D. None of these
2 The consumption source if energy is:
A. Energy from blomass
B. Hydroelectric energy
C. Geothermal energy
D. None of these
3 Newton's laws are adequate for speeds that are
A. low compared with the speed of light
B. equal to the speed of light
C. greater than the speed of light
D. all of them
4 Acceleration of a body is negative if the velocity of the body is
A. constant
B. increasing
C. decreasing
D. none of them
5 Acceleration of a body at any particular instant during its motion is known as
A. average acceleration
B. uniform acceleration
C. instantaneous acceleration
D. all of them
6 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
7 Find the total displacement of a body in 8 seconds starting from rest with an acceleration of 20 cm/s2
A. 0.064 m
B. 640 cm
C. 64 cm
D. 64 m
8 Acceleration in a body is always produced in the direction of :
A. Velocity
B. Weight
C. Force
D. Both B and C
9 Distance covered by a freely failing body n the first second of its motion will be:
A. 4.9 m
B. 9.8 m
C. 19.6 m
D. 29.4 m
10 When a shall explodes a mid-air, the total momentum of its fragments is
A. less than the momentum of shell
B. equal to the momentum of shell
C. greater than the momentum of shell
D. none of them

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