Question 1

1. Which refers to thecombination of vertical and horizontal motions?

Accepted Answer

Projectile

Answer

Vertical velocity

Answer

Trajectory

Answer

Range

Question 2

Which refers to the horizontaldistance traveled by a projectile?

Accepted Answer

Range

Answer

Trajectory

Answer

Projectile

Answer

Verticalvelocity

Question 3

Ball A is thrown horizontally, while ball B is dropped from the same height at thesame time. Which of the following events will happen?

Accepted Answer

Balls A and B will reach the ground at the same time.

Answer

Ball B will reach the ground first.

Answer

Ball A will reach the ground first

Answer

Ball B will have a greater speed when it reaches the ground

Question 4

Which component of projectile motion is changing?

Accepted Answer

Verticalvelocity

Answer

Both A and B

Answer

Horizontal velocity

Answer

Neither A nor B

Question 5

Which of the followingstatements is NOT acceptable about projectile motion?

Accepted Answer

Both horizontal and vertical velocities are constant.

Answer

The horizontal velocity of projectiles is constant.

Answer

The motion of the projectile freed vertically downward is accelerated.

Answer

It is the combination of two independent motions- vertical and horizontal.

Question 6

What is the curved path takenby the projectile motion?

Accepted Answer

Trajectory

Answer

Downward

Answer

Horizontal path

Answer

Upward

Question 7

How is impulse calculated?

Accepted Answer

The product of mass multiplied by velocity.

Answer

The product of force multiplied by velocity.

Answer

The product of the force multiplied by time interval.

Question 8

Which has more momentum, aheavy truck moving at 30 km/h or a light truck moving at 30 km/h?

Accepted Answer

heavy truck

Answer

light truck

Answer

Cannot be determined

Answer

Both vehicles

Question 9

A body that experienced an impulse is equal to the change in its:

Accepted Answer

Momentum

Answer

Potential energy

Answer

Kinetic energy

Answer

Velocity

Question 10

A baseball bat hits a ball with 20 N of force at 0.75 s, what is the impulse of the interaction?

Accepted Answer

15Ns

Answer

1 Ns

Answer

27 Ns

Answer

5 Ns

Question 11

What is the momentum of a car with a mass of 1500 kg traveling at 11m/s?

Accepted Answer

16 500 kg●m/s

Answer

2000 kg●m/s

Answer

99980 kg●m/s

Answer

136kg●m/s

Question 12

Ball A bumps into ball B. Whichis the same before and after collision?

Accepted Answer

The sum of momenta

Answer

The difference in momenta

Answer

The momentum of A

Answer

The momentum of B

Question 13

How would you compare themomentum of a large bus with that of a small car traveling at the same speed?

Accepted Answer

The momentum of the bus is greater than the small car.

Answer

The momentum of the bus is less than the small car.

Answer

The momentum of the bus is equal to the small car.

Answer

None of the above

Question 14

What happens to the total mechanical energy if the potential energy of an objectdecreases?

Accepted Answer

Mechanical energy increases.

Answer

Mechanical energy remains unchanged.

Answer

Mechanicale nergy decreases.

Answer

Mechanicalenergy increases then decreases.

Question 15

If dropped, at which heightwill the ball possessed the highest potential energy?

Accepted Answer

20m

Answer

4.0m

Answer

2.0m

Answer

12m

Question 16

What is the kinetic energy of a70.0 kg object with a velocity of 2.00 m/s?

Accepted Answer

280 J

Answer

70.0 J

Answer

35.0 J

Answer

140 J

Question 17

At the start of a rollercoaster ride, it has initial energy mostly in the form of potential energy. What explains why its fastest velocity will be at the lowest point of the ride?

Accepted Answer

At the lowest point of the ride, kinetic energy is at its maximum value and the potential energy is at its minimum value.

Answer

At the lowest point of the ride, both potential and kinetic energies are of equal magnitude.

Answer

At the lowest point of the ride, both the potential and kinetic energies are zero.

Answer

At the lowest point of the ride, the potential energy is at its maximum value and the kinetic energy is at its minimum value.

Question 18

If the object will move from point A to point E, at which point/s will it have the highest kinetic energy?

Accepted Answer

Point C

Answer

Point A and E

Answer

Point A, B, and C

Answer

Point B and D

Question 19

If the object will move from point A to point E, at which point/s will it have the highest kinetic energy?

Accepted Answer

Point A and E

Answer

Point B and D

Answer

Point A, C, and E

Answer

Point C

Question 20

What happens to the potential energy of an object thrown upward?

Accepted Answer

Potential energy increases.

Answer

Potential energy decreases.

Answer

Potential energy increases thendecreases.

Answer

Potential energy remains unchanged.

Question 21

Which is also known as energy in transit?

Accepted Answer

Heat

Answer

Work

Answer

Internal Energy

Answer

System

Question 22

Which can be attributed to heat?

Accepted Answer

increase in temperature

Answer

decrease in height

Answer

moving object

Answer

focus of the observation

Question 23

How can a person increase the internal energy of the water in a pot?

Accepted Answer

Stir the water on the pot vigorously

Answer

Put the water on the refrigerator

Answer

Transfer the water to a bigger pot.

Answer

Do nothing.

Question 24

When can we say the system has done negative work?

Accepted Answer

When the work is done on the system.

Answer

When the system does the work.

Answer

There is no negative work.

Answer

When the work is done by the system.

Question 25

Which best describes heat engine?

Accepted Answer

An engine that extracts useful work by moving heat from a hot reservoir to a cold reservoir.

Answer

Anything that propels the vehicle forward.

Answer

Anengine that extracts useful work by transferring heat from a cold reservoir to a hot one.

Answer

Heat is transferred from a cold reservoir to a hot, expanding work by this engine.

Question 26

Which of the following is the method of compressing and expanding gas for heat to enter or exit the system?

Accepted Answer

Isothermic

Answer

Heating

Answer

Thermal Expansion

Answer

Adiabatic

Question 27

What type of power plant uses steam to turn the turbine in generating electricity?

Accepted Answer

Geothermal

Answer

Hydroelectric

Answer

Solar

Answer

Windmill

Question 28

Which type of energy is caused by moving electric charges?

Accepted Answer

Electrical Energy

Answer

Mechanical Energy

Answer

Chemical Energy

Answer

Rotational Energy

Question 29

Which of the following plant uses water to generate electricity?

Accepted Answer

Hydroelectric

Answer

Windmill

Answer

Nuclear

Answer

Geothermal

Question 30

Which of the following is an example of a non renewable source of energy?

Accepted Answer

Coal

Answer

Geothermal

Answer

Wind

Answer

Water

Related quizzes

Related quizzes