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

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

Question # 2

Swimming is based on the principle of

Question # 3

The second law gives the relationship between

Question # 4

A ball is dropped from a certain height and another ball is projected horizontally from the same point. Which of the following statement is correct?

Question # 5

A rocket carries its own fuel in the form of

Question # 6

If the acceleration of a body is negative, then slope of the velocity-time graph will be:

Question # 7

Slope of velocity time graph represents:

Question # 8

Which of the following statements for an object in equilibrium is not true?

Question # 9

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

Question # 10

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 # 11

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

Question # 12

The motion in a plane is the motion in

Question # 13

If d is the displacement of the body in time t, then its average velocity will be

Question # 14

A non-inertial frame of reference is that frame of reference in which

Question # 15

When a bicycle is in motion, the frictional forces exerted by the ground are

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A the top of the trajectory of a projectile, the directions of its velocity and acceleration are
A. Perpendicular to each other
B. Parallel to each other
C. Inclined to each other at an angle of 45°
D. Anitparallel to each other
2 A typical rocket consists of fuel
A. more than 60% of launch mass
B. less than 60% of launch mass
C. less than 80% of launch mass
D. more than 80% of launch mass
3 When the surfaces are coated with a lubricant, then they
A. Stick to each other
B. Slide upon each other
C. Roll upon each other
D. None of these
4 A vehicle of mass 120 kg is moving with a uniform velocity of 108 km/h. The force required to stop the vehicle in 10s is
A. 120 x 10.8 N
B. 180 N
C. 720 N
D. 360 N
5 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
6 At the top of the trajectory of a projectile the acceleration is
A. The maximum
B. The minimum
C. Zero
D. g
7 A body is thrown from a height h with speed u, it hits the ground with speed V
A. The value of V is maximum if the body is thrown vertically downward
B. The value of V is maximum if the body is thrown vertically upwards
C. The value of V is minimum if the body is thrown horizontally
D. The value of V does not depend on the direction of which it is thrown
8 Change in momentum is one second called.
A. Impulse
B. Force
C. Energy
D. Work
9 During the upward motion of the projectile, the vertical component of velocity:
A. Decreases
B. Increases
C. Remains constant
D. None of these
10 If the values of instantaneous and average velocities are equal, the body is said to be moving with
A. uniform acceleration
B. uniform speed
C. variable velocity
D. uniform velocity

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