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 typical rocket consumes about

Question # 2

Which one of the following is dimensionless:

Question # 3

The velocity of a projectile is maximum

Question # 4

A ball of mass m moving with uniform speed collides elastically with another stationary ball. The incident ball will lose maximum kinetic energy when mass of the stationary ball is

Question # 5

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

Question # 6

A lift is descending at a constant speed V. A passenger in the lift drops a coin. The acceleration of the coin towards the floor will be

Question # 7

The mass of the object is a quantities measure of its

Question # 8

A snooker ball moving with velocity V collides head on with another snooker ball of same mass at rest. If the collision is elastic, the velocity of second snooker ball is

Question # 9

A 5 kg mass is falling freely, the force acting on, it will be

Question # 10

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

Question # 11

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

Question # 12

A body falls freely from rest. It covers as much distance in the last second of its motion as covered in the first three seconds. The body has fallen for a time of

Question # 13

A dirty carpet is to be cleaned by heating. This is an accordance with____ law of motion:

Question # 14

If an iron ball and a wooden ball of the same radius was released from a height 'h' in vacuum, then time taken by both of them to reach ground will be

Question # 15

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?

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ECAT Physics Chapter 3 Important MCQ's

Sr.# Question Answer
1 When a body is moving on a surface, the force of friction is called
A. Static friction
B. Dynamic friction
C. Limiting friction
D. Rolling friction
2 The collision in which KE is conserved but momentum is not conserved is called:
A. Elastic collision
B. Inelastic collision
C. any these
D. None of these
3 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
4 When a shell explodes in mid-air, its fragments fly off in
A. only one direction
B. in two direction
C. different directions
D. a particular direction
5 A stone is dropped from rest from the top of a tower 19.6 m high. The distance traveled during the last second of its fall is (giving g=9.8 m/ss)
A. 9.8 m
B. 14.7 m
C. 4.9 m
D. 19.6 m
6 In an elevator moving vertically up with an acceleration 'g' the force exerted on the floor by a passenger of mass M is
A. Mg
B. 1/2 Mg
C. Zero
D. 2 Mg
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 If a car rest acceleration uniformly to a speed of 144 km/h in 20 s it covers a distance of
A. 20 m
B. 400 m
C. 1440 m
D. 2880 m
9 A ball of mass m moving with uniform speed collides elastically with another stationary ball. The incident ball will lose maximum kinetic energy when mass of the stationary ball is
A. m
B. 2 m
C. 4 m
D. Infinity
10 During the upward motion of the projectile, the vertical component of velocity.
A. Decreases
B. Increases
C. Remains constant
D. None of these

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