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 path followed by the projectile is known as:

Question # 2

The dimension of linear inertia is:

Question # 3

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

Question # 4

The path described by a projectile is called its

Question # 5

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

Question # 6

The second law gives the relationship between

Question # 7

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

Question # 8

Bodies which falls freely under gravity provides good example of motion under:

Question # 9

Which of the following is not a projectile

Question # 10

When a force is applied on a body, several effects are possible Which of the following effect could not occur?

Question # 11

Which one of the following is dimensionless.

Question # 12

The slopes of the tangent at any point on the curve gives the value of the

Question # 13

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

Question # 14

The dimension of linear inertia is:

Question # 15

If m is the mass of the gases ejected per second with velocity v relative to the rocket of mass M, then the acceleration of rocket is

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 The motion of a body in a straight line is the motion in
A. one dimension
B. two dimension
C. three dimension
D. four dimension
2 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
A. 3 s
B. 5 s
C. 7 s
D. 9 s
3 A rocket carries its own fuel in the form of
A. liquid only
B. liquid or solid
C. liquid and solid
D. liquid or solid and oxygen
4 A body of mass 1.0 kg is falling with an acceleration of 10 m/s2. Its apparent weight will be (g=10 m/s2)
A. 1.0 kg wt
B. 2.0 kg wt
C. 0.5 kg wt
D. Zero
5 For maximum linear distance of travel, a projectile must be fired at an angle of
A. 0°
B. 45°
C. 90°
D. 60°
6 During the upward motion of the projectile, the vertical component of velocity:
A. Decreases
B. Increases
C. Remains constant
D. None of these
7 A change in position of a body from its initial position to its final position is known as
A. relative motion
B. displacement
C. distance
D. acceleration
8 One KWh is equal to:
A. 3.6 x 102J
B. 3.6 KJ
C. 3,6 x 101KJ
D. 3,6 MJ
9 An airplane is flying horizontally with a velocity of 600 km/h and at a height of 1960 m. When it is vertically above a point A on the ground, a bomb is released from it. The bomb strikes the ground, at point B. The distance AB is
A. 1200 m
B. 0.33 km
C. 3.33 km
D. 33 km
10 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

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