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 railway engine (mass 104kg) is moving with a speed of 73 km/h. The force which should be applied to bring it to rest over a distance of 20 m is

Question # 2

When the surfaces are coated with a lubricant, then they

Question # 3

The direction of the acceleration is the same as that of

Question # 4

A train of 150 m length is going towards north direction at a speed of 10 ms-1. A parrot files at a speed of 5 ms-1towards south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to

Question # 5

Maximum height of a bullet when fixed at 30 with horizontal is 11 m. Then height when it is fired at 60° is

Question # 6

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

Question # 7

The three equation of motions are useful only for

Question # 8

A body moving with uniform velocity has

Question # 9

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

Question # 10

Angular momentum

Question # 11

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

Question # 12

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

Question # 13

If the slope of the velocity-time graph increases at constant rate with time, then the body is said to have

Question # 14

Swimming is based on the principle of

Question # 15

A ball is thrown upwards with a velocity of 100 m/s. It will reach the ground after

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
2 Root out the conventional source of energy:
A. Energy from blomass
B. hydroelectric energy
C. Geothermal energy
D. None of these
3 Graphs which are used to illustrate the variation of velocity of an object with time are called
A. distance time graphs
B. speed time graphs
C. velocity time graphs
D. acceleration time graphs
4 Work done along a closed path in a gravitational force is:
A. maximum
B. Minimum
C. Zero
D. Unity
5 A body whose momentum is constant must have constant
A. Acceleration
B. Velocity
C. Force
D. None of these
6 The displacement coincides with the path of the motion when a body moves is a
A. curved line
B. straight line
C. may be curved or straight
D. none of them
7 Earth is considered to be
A. a non-inertial frame
B. an inertial frame
C. an accelerated frame
D. none of the above
8 Force is a:
A. Scalar quantity
B. Base quantity
C. Derived quantity
D. None of these
9 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
10 If the objects of different masses move with the same velocity, then it is more difficult to stop the
A. lighter of the two
B. massive of the two
C. any one of them
D. both of them

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