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

Which quantity has the same dimension as that of impulse?

Question # 2

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

Question # 3

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

Question # 4

A force of 50 dynes is acted on a body of mass 5 g which is at rest, for an interval of 3 seconds, then impulse is

Question # 5

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

Question # 6

If m means mass of gases objected per second from a rocket and v shows the change in velocity, than mv is named as:

Question # 7

Work done along a closed path in a gravitational force is:

Question # 8

A typical rocket consumes about

Question # 9

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

Question # 10

Newton published laws of motion in his famous book "principia" in

Question # 11

A train cover 90 km in half an hour. the time taken by it to travel 15 km will be:

Question # 12

Inertia mass and gravitational mass are

Question # 13

A 120 m long train is moving in a direction with speed 20 m/s. A train B moving with 30 m/s in the opposite direction and 130 m long crosses the first train in a time

Question # 14

The projectile attains maximum horizontal range when it is projected at an angle of

Question # 15

For maximum linear distance of travel, a projectile must be fired at an angle of

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 In the above figures, tell which set is graphs shows that a body is moving uniform velocity:
A. (i) and (ii)
B. (ii) and (iii)
C. (i) and (iii)
D. (ii) and (iv)
2 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)
A. 1.0 kg wt
B. 2.0 kg wt
C. 0.5 kg wt
D. Zero
3 When a person jumps off the ground, the reaction force of the ground is
A. greater than the weight of the person
B. smaller than the weight of the person
C. equal to the weight of the person
D. zero
4 Work done along a closed path in a gravitational field is:
A. Maximum
B. Minimum
C. Zero
D. Unity
5 A particle of mass 0.5 g moving along x-axis is located of x1= 15 m at t1= 5s and x2= 33 m at t2= 13s its average velocity is
A. 6 m s-1
B. 2.45 m s-1
C. 2.25 m s-1
D. 4.45 m s-1
6 The linear momentum of the body is defined as
A. p=ma
B. p=1/2ma
C. p=mv
D. p=1/2mv
7 The consumption of energy by a 1000 watt heter in half an hour is:
A. 5 Kwh
B. 0.5 Kwh
C. 2.5 Kwh
D. 3.2 Kwh
8 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
9 The mass of the object is a quantities measure of its
A. speed
B. velocity
C. acceleration
D. inertia
10 The vertical and horizontal range will be equal id angle of projection is
A. 76°
B. 45°
C. 60°
D. 120°

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