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 dimension of linear inertia is:

Question # 2

The path described by a projectile is called its

Question # 3

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)

Question # 4

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

Question # 5

If the acceleration of a body is not uniform, then velocity-time graph will be:

Question # 6

Swimming is based on the principle of

Question # 7

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

Question # 8

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

Question # 9

A snooker ball moving with velocity V collides head on with another snooker ball of same mass at rest. If the collision is elastic, the velocity of second snooker ball is

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

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

Question # 12

Slope of velocity-time graph represents:

Question # 13

When brakes are applied to a fast moving car, the passenger will be thrown:

Question # 14

Rate of change of momentum is called

Question # 15

Blomass includes:

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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
A. Moving forward and gaining speed
B. Moving forward and losing speed
C. Moving forward with uniform speed
D. Moving backward with uniform speed
2 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
3 A body starting from rest covers a distance of 0.45 Km and acquires a velocity of 300 Kmh-1. its acceleration will be
A. 7.71 m s-2
B. 0.5m s-2
C. 0.15m s-2
D. 0.092m s-2
4 The direction of velocity is along the direction of
A. distance
B. displacement
C. acceleration
D. all of them
5 The mass of the object is a quantities measure of its
A. speed
B. velocity
C. acceleration
D. inertia
6 The range of projectile is 50 m whenθ is inclined with horizontal at 15°. What is the range whenθ becomes 45°?
A. 400 m
B. 300 m
C. 200 m
D. 100 m
7 Inertial frame of references are those frame of references which are moving with
A. increasing velocity
B. decreasing velocity
C. constant velocity
D. all of them
8 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
A. 3, 15
B. 4, 14
C. 5, 13
D. 6, 12
9 Essential characteristic of equilibrium is
A. Momentum equal to zero
B. Acceleration equal to zero
C. Kinetic energy equal to zero
D. Velocity equal to zero
10 Root out of the conventional source of energy:
A. Energy from biomass
B. Hydroelectric energy
C. Geothermal energy
D. None of these

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