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

Force is a:

Question # 2

When we consider the average velocity of a body, then the body is moving in

Question # 3

The area under line velocity-time graph is numerically equal to the

Question # 4

Root out of the conventional source of energy:

Question # 5

An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:

Question # 6

The decrease in velocity per unit time is called

Question # 7

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

Question # 8

Inertial frame of references are those frame of references which are moving with

Question # 9

Two projectiles are fired from the same point with the same speed at angles of projection 60° and 30° respectively. Which one of the following is true?

Question # 10

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

Question # 11

One KWh is equal to:

Question # 12

A certain force gives an acceleration of 2 m/sec2 to a body if mass 5 kg. The same force would give a 29 kg object an acceleration of:

Question # 13

In equation F=ma, then mass 'm' is

Question # 14

If the velocity of the body decreases non-uniformly then the slope of the velocity-time graph will have

Question # 15

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

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 A man fires a bullet of mass 200 g at a speed of 5 m/s. The gun is of one kg mass. By what velocity the gun rebounds backwards?
A. 0.1 m/s
B. 10 m/s
C. 1 m/s
D. 0.01 m/s
2 The magnitude of the force producing an acceleration of 10 m/sec2in a body of mass 500 grams is:
A. 3 N
B. 4 N
C. 5 N
D. 6 N
3 A non-inertial frame of reference is that frame of reference in which
A. a = 0
B. a > 0 or a < 0
C. v = 0
D. none of them
4 A body of mass 5 kg is acted upon by a total change n momentum will be:
A. 10 NS
B. 100 NS
C. 140 NS
D. 200 NS
5 Bodies failing freely under gravity provide good example of motion under
A. non-uniform acceleration
B. uniform acceleration
C. variable acceleration
D. increasing acceleration
6 The direction of velocity is along the direction of
A. distance
B. displacement
C. acceleration
D. all of them
7 What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?
A. 4 : 5
B. 7 : 9
C. 16 : 25
D. 1 : 1
8 In equation F=ma, then mass 'm' is
A. rest mass
B. variable mass
C. inertial mass
D. gravitational mass
9 Force is a:
A. Scalar quantity
B. Base quantity
C. Derived quantity
D. None of these
10 A body is moving with constant velocity of 10 m/sec in the north-east direction. Then its acceleration will be:
A. 10 m/sec2
B. 20 m/sec2
C. 30 m/sec2
D. Zero

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