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

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

Question # 2

Which one of the following is dimensionless.

Question # 3

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 # 4

Ethanol (alcohol) as a type of:

Question # 5

A body falls freely from rest. It covers as much distance in the last second of its motion as covered in the first three seconds. The body has fallen for a time of

Question # 6

The velocity of a projectile is maximum

Question # 7

An object thrown in arbitrary direction in space with an initial velocity and moving freely under gravity will follow

Question # 8

Earth is considered to be

Question # 9

A person is sitting in a traveling train and facing the engine. He tosses up a coin and the coin falls behind him. It can be concluded that the train is

Question # 10

To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined

Question # 11

Acceleration produced in a body by the force varies

Question # 12

A body is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about

Question # 13

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 # 14

What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?

Question # 15

The sum of the magnitude of two forces acting at a point is 18 and the magnitude of their resultant is 12. If the resultant is at 90° with the force of the smaller magnitude, then their magnitudes are

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Tick the conservative force:
A. tension in a string
B. Air resistance
C. Elastic spring force
D. Frictional force
2 Earth is considered to be
A. a non-inertial frame
B. an inertial frame
C. an accelerated frame
D. none of the above
3 The consumption source if energy is:
A. Energy from blomass
B. Hydroelectric energy
C. Geothermal energy
D. None of these
4 If two bodies of equal masses moving in the same direction collide elastically, then their velocities.
A. Are added
B. Are subtracted
C. Do not change
D. Are exchanged
5 A man sitting in a bus travelling in a direction from west to east with a speed of 40 km/h observes that the rain drops are falling vertically down. To the another man standing on ground the rain will appear
A. To fall vertically down
B. To fall at an angle going from west to east
C. To fall at an angle going from east to west
D. The information given is insufficient to decide the direction of rain
6 A particle of mass 0.5 g moving along x-axis is located of x1= 15 m at t1= 5s and x2= 33 m at t2= 13s its average velocity is
A. 6 m s-1
B. 2.45 m s-1
C. 2.25 m s-1
D. 4.45 m s-1
7 A body is moving with constant velocity of 10 m/sec in the north-east direction. Then its acceleration will be:
A. 10 m/sec2
B. 20 m/sec2
C. 30 m/sec2
D. Zero
8 When two protons are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these
9 The SI units of momentum is
A. kg m s-2
B. kg ms
C. kg m s2
D. N-s
10 The horizontal range of projectile, at a certain place, depends upon
A. the mass of the projectile
B. velocity of projection
C. angle of projection
D. angle as well as velocity of projection

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