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

Root out the conventional source of energy:

Question # 2

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

Question # 3

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

Question # 4

The path (or trajectory) described by a projectile is

Question # 5

If speed of electron is 5 x 105m/s. How long does it take one electron to transverse 1 m?

Question # 6

A man fires a bullet of mass 200 g at a speed of 5 m/s. The gun is of one kg mass. By what velocity the gun rebounds backwards?

Question # 7

A body is moving with constant velocity of 10 m/sec in the north east direction. Then its acceleration will be:

Question # 8

A ball falls on the surface from 10 m height and rebounds to 2.5 m. if the duration of contact with the floor is 0.01 seconds then the average acceleration during contact is

Question # 9

Ethanol (alcohol) is a type of:

Question # 10

Range of a projectile is R, when the angle of projection is 30° . Then, the value of the other angle of projection for the same range, is

Question # 11

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

Question # 12

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 # 13

If the values of instantaneous and average velocities are equal, the body is said to be moving with

Question # 14

The consumption of energy by a 1000 watt heter in half an hour is:

Question # 15

Acceleration of a body at any particular instant during its motion is known as

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Newton's first law is also called:
A. Law of torque
B. Law of force
C. Law of inertia
D. None of these
2 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)
A. 9.8 m/s
B. 19.6 m/s
C. 39.2 m/s
D. 98.0 m/s
3 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
4 What must be changing when a body is accelerating uniformly?
A. the force acting on a body
B. the velocity of the body
C. the mass of the body
D. the speed of the body
5 Acceleration in a body is always produced in the direction of :
A. Velocity
B. Weight
C. Force
D. Both B and C
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 If a ball comes back to its starting point after bouncing off the wall several times, then its
A. total displacement is zero
B. average velocity is zero
C. none of them
D. both of them
8 Blomass includes:
A. Crop residue
B. Natural vegetation
C. Animal dung
D. All of these
9 An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:
A. 100 m/sec
B. 140 m/sec
C. 1960 m/sec
D. 196 m/sec
10 Which quantity has the same dimension as that of impulse?
A. KE
B. Power
C. Momentum
D. Work

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