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

Rate of change of momentum is called

Question # 2

The velocity given to a body to go out of the influence of earth's gravity is known as:

Question # 3

A body of weight 1 N has a kinetic energy of 1 joule when its speed is:

Question # 4

A typical rocket consists of fuel

Question # 5

Essential characteristic of equilibrium is

Question # 6

A cold soft drink is kept on the balance. When the cap is opened, then the weight

Question # 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?

Question # 8

Root out of the conventional source of energy:

Question # 9

The projectile motion is composed of

Question # 10

The effect of applying a force on a moving body is to change

Question # 11

The consumption of energy by a 1000 watt heter in half an hour is:

Question # 12

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

Question # 13

A body is thrown from a height h with speed u, it hits the ground with speed V

Question # 14

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

Question # 15

The velocity of a body at any instant of its motion is known as

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 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?
A. Their range will be same
B. Their maximum height will be same
C. Their landing velocity will be same
D. Their time of flight will be same
2 Work done along a closed path in a gravitational force is:
A. maximum
B. Minimum
C. Zero
D. Unity
3 Unit of impulse in
A. Newton
B. Kg m
C. Kg m/s
D. Joule
4 An object is dropped from a height of 100 m. Its velocity at the moment it touches the ground is:
A. 100 m/sec
B. 140 m/sec
C. 1960 m/sec
D. 196 m/sec
5 When a body is moving with uniform positive acceleration, the velocity- time graph is a straight line. Its slope is
A. zero
B. negative
C. positive
D. non-existing
6 The SI units of momentum is
A. kg m s-2
B. kg ms
C. kg m s2
D. N-s
7 When the surfaces are coated with a lubricant, then they
A. Stick to each other
B. Slide upon each other
C. Roll upon each other
D. None of these
8 The motion in a plane is the motion in
A. one dimension
B. two dimension
C. three dimension
D. four dimension
9 The decrease in velocity per unit time is called:
A. Variable Acceleration
B. Average Acceleration
C. Retardation
D. None of these
10 For maximum linear distance of travel, a projectile must be fired at an angle of
A. 0°
B. 45°
C. 90°
D. 60°

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