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

A boat of mass 40 kg is at rest, A dog of mass 4 kg moves in the boat with a velocity of 10 m/s. What is the velocity of boat?

Question # 2

A monkey sits on the pan of spring scale kept in an elevator. The reading of the spring scale will be maximum when

Question # 3

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

Question # 4

The motion in a plane is the motion in

Question # 5

Acceleration of a body at any particular instant during its motion is known as

Question # 6

The direction of the acceleration is the same as that of

Question # 7

The decrease in velocity per unit time is called

Question # 8

The product of force and time is called

Question # 9

A rocket carries its own fuel in the form of

Question # 10

Bodies failing freely under gravity provide good example of motion under

Question # 11

The linear momentum of the body is defined as

Question # 12

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 # 13

Two bodies of masses 1 kg and 5 kg are dropped gently form the top of a tower. A a point 20 cm from the ground both the bodies will have the same

Question # 14

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

Question # 15

A body starting from rest covers a distance of 0.45 Km and acquires a velocity of 300 Kmh-1. its acceleration will be

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A 5 kg mass is falling freely, the force acting on, it will be
A. 19.6 N
B. 9.8 N
C. 5 N
D. Zero
2 The decrease in velocity per unit time is called:
A. Variable Acceleration
B. Average Acceleration
C. Retardation
D. None of these
3 A ball is dropped downwards After 1 second another ball is dropped downwards from the same point. What is the distance between them after 3 seconds
A. 25 m
B. 20 m
C. 50 m
D. 9.8 m
4 One KWh is equal to:
A. 3.6 x 102J
B. 3.6 KJ
C. 3,6 x 101KJ
D. 3,6 MJ
5 The slopes of the tangent at any point on the curve gives the value of the
A. average velocity at that point
B. instantaneous velocity at that point
C. average acceleration at that point
D. instantaneous acceleration at that point
6 The product of force and time is called
A. acceleration
B. linear momentum
C. angular momentum
D. impulse
7 A body moving with an acceleration of 5 m/sec2started with velocity of 10 m/sec. What will be the distance traversed in 10 seconds?
A. 150 m
B. 250 m
C. 350 m
D. 400 m
8 Which one of the following is dimensionless.
A. Acceleration
B. Velocity
C. Density
D. Angle
9 The expression F x t is called impulse if the time 't' is
A. zero
B. very large
C. very small
D. infinite
10 The distance covered by a body in unit time is called.
A. Displacement
B. speed
C. Velocity
D. Both B and C

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