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

When the mass of the colliding body is much larger than the mass of the body at rest, its velocity after collision.

Question # 2

A certain force gives an acceleration of 2 m/sec2to a body mass 5 kg. The same force would give a 20 kg object an acceleration of:

Question # 3

The path described by a projectile is called its

Question # 4

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

Question # 5

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

Question # 6

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

Question # 7

Find the total displacement of a body in 8 seconds starting from rest with an acceleration of 20 cm/s2

Question # 8

A motorist travels A to B at a speed at 40 km/h and returns at speed of 60km/h. His average speed will be

Question # 9

Distance covered by a freely failing body n the first second of its motion will be:

Question # 10

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

Question # 11

When two protons are brought closer potential energy of both of them:

Question # 12

In velocity of a particle at an instant is 10 m/s and after 5s the velocity of the particle is 20 m/s. The velocity 3s before in m/s is

Question # 13

Acceleration of a body is negative if the velocity of the body is

Question # 14

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

Question # 15

The instantaneous velocity is define as the limiting value of Δd/Δt on the time intervalΔt approaches to

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 Force is a:
A. Scalar quantity
B. Base quantity
C. Derived quantity
D. None of these
2 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
3 When two protons are brought closer potential energy of both of them:
A. Increases
B. Decreases
C. Remains same
D. None of these
4 The magnitude of the force producing an acceleration of 10 m/sec2 in a body of mass 500 grams is:
A. 3 N
B. 4 N
C. 5 N
D. 6 N
5 Two bullets are fired simultaneously, horizontally and with different speeds from the same place. Which bullet will hit the ground first?
A. The faster one
B. Depends on their mass
C. The slower one
D. Both will reach simultaneously
6 A train is moving with a velocity of 25 m/s and a car is moving behind it by a velocity of 8 m/s in same direction. The relative velocity of train with respect to car is
A. 17 m/s
B. 33 m/s
C. 17.5 m/s
D. none
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 Swimming is based on the principle of
A. Newton's 1st law
B. Newton's 2nd law
C. Newton's 3rd law
D. All
9 Which one of the following is dimensionless.
A. Acceleration
B. Velocity
C. Density
D. Angle
10 The path described by a projectile is called its
A. orbit
B. trajectory
C. range
D. distance

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