Ch. 5-6

Question 0

A constant acceleration, such as that of an object in free fall

Answer 0

Uniform acceleration

Question 1

Energy of position

Answer 1

Potential energy

Question 2

The maximum constant speed of an object falling in the atmosphere

Answer 2

Terminal velocity

Question 3

Process of gaining thermal energy

Answer 3

Heating

Question 4

Unit of force

Answer 4

Newton

Question 5

A system of colliding objects, the sum of their momentums before the collisions is equal to the sum of their momentum afterwards

Answer 5

Conservation of momentum

Question 6

Energy of motion

Answer 6

Kinetic energy

Question 7

The tendency of all matter to resist change

Answer 7

Inertia

Question 8

Comparing the amount of usable energy produced with the amount available before the transformation

Answer 8

Efficiency

Question 9

Contact force that opposes the movement of objects past each other

Answer 9

Friction

Question 10

The ability to do work

Answer 10

Energy

Question 11

Unit of energy

Answer 11

Joule

Question 12

For every force exerted on a system, the system exerts and equal but opposite reactions

Answer 12

Action reaction principle

Question 13

Objects that fall due to gravity alone

Answer 13

Free fall

Question 14

Push or pull on a system

Answer 14

Force

Question 15

Who was the first person to write about forces?

Answer 15

Archimedes

Question 16

Which of the following has the most inertia?

Answer 16

The planet Jupiter

Question 17

Air resistance increases with increasing

Answer 17

Surface area

Question 18

Which of the following situations does not involve friction

Answer 18

An object free of gravitational pull

Question 19

Energy is not

Answer 19

Created or destroyed

Question 20

Which nuclear process releases energy when two atoms merge?

Answer 20

Fusion

Question 21

Which of the following does not possess magnetic energy?

Answer 21

Wood

Question 22

Which type of collision conserves both energy and momentum?

Answer 22

Elastic

Question 23

Which of the following is not a type of raiment energy?

Answer 23

Sound waves

Question 24

Which of the following is the result of a field force?

Answer 24

When you jump into the air, you land on the ground

Question 25

Which nuclear releases energy when one atom splits?

Answer 25

Fission

Question 26

Air resistance is a form of __________.

Answer 26

Friction | Drag

Question 27

A sea turtle swimming against a current experiences __________ friction.

Answer 27

Fluid

Question 28

A car stopped on a hill experiences _________ friction.

Answer 28

Static

Question 29

A sled sliding down a hill experiences _________ friction.

Answer 29

Kinetic

Question 30

How can you tell when the forces acting on a systems are balanced?

Answer 30

No net movement

Question 31

What two ever-present forces affect all motion on earth?

Answer 31

Friction | Gravitational force

Question 32

The largest potential source of energy in the universe is ___________.

Answer 32

Mass energy

Question 33

Radiant energy involves the interaction of __________ and _________ energies.

Answer 33

Electrical | Magnetic

Question 34

The thermal energy of an object is the total _______ energies of all particles in the object.

Answer 34

Kinetic

Question 35

_________ is the losing of heat.

Answer 35

Cooling

Question 36

A source of the sums energy

Answer 36

Nuclear energy

Question 37

An apple hanging from a tree

Answer 37

Mechanical potential energy

Question 38

A shock from pulling on a wool sweater

Answer 38

Electrical energy

Question 39

Gasoline burning in a car engine

Answer 39

Chemical energy

Question 40

A students blaring trumpet

Answer 40

Acoustic energy

Question 41

A rolling bowling ball

Answer 41

Mechanical kinetic energy

Question 42

A warm pot of water

Answer 42

Thermal energy

Question 43

A compass pointing north

Answer 43

Magnetic energy

Question 44

X-raying a broken bone

Answer 44

Electromagnetic energy