Science 8 - Contact Forces Vocab

Question 1

Elastic Limit

Answer 1

The maximum amount a solid can deform without breaking.

Question 2

Breaking Point

Answer 2

The moment when an object breaks.

Question 3

Independent variable

Answer 3

What we purposefully change in an experiment.

Question 4

Dependent variable

Answer 4

What we measure after changing the independent variable.

Question 5

Constant/Controlled variable

Answer 5

Everything that we keep the same in the experiment.

Question 6

In a ____ between two objects, the objects make contact with each other; sometimes something is ____, but not always.

Answer 6

collision; damaged

Question 7

Different ____ or variables may cause objects to be damaged or not from a collision.

Answer 7

factors

Question 8

Define Force

Answer 8

a push or a pull

Question 9

Define Energy

Answer 9

the ability to cause change in a system

Question 10

Define Kinetic Energy

Answer 10

energy of motion

Question 11

____ allow ____ to be transferred or moved from one object to another.

Answer 11

Forces; energy

Question 12

A collision can cause the objects involved to change ____ and/or change ____.

Answer 12

motion; shape

Question 13

____ transfer occurs during a collision.

Answer 13

Energy

Question 14

There is a ____(s) between objects when they make ____ during a collision.

Answer 14

force; contact

Question 15

All solid objects ____ or ____ shape when Forces are applied on them during a collision.

Answer 15

deform; change

Question 16

As ____ increases, so does the amount of deformation.

Answer 16

force

Question 17

Thicker materials (of the same type) show ____ deformation than thinner materials.

Answer 17

less

Question 18

How much a solid object deforms is dependent upon the amount of ____ applied, the type of ____ it is made of, and its ____.

Answer 18

force; material; thickness

Question 19

The strengths of contact forces between two objects are ____ but in the ____ directions.

Answer 19

the same; opposite

Question 20

In a collision, both objects apply ___ strong forces on each other in ____ directions.

Answer 20

equally; opposite

Question 21

A ____ diagram can help represent the forces on the objects in a collision by considering each object separately.

Answer 21

free body

Question 22

Increasing the ____ or ____ of a moving object increases its kinetic energy.

Answer 22

speed; mass

Question 23

Forces have ____ and ____.

Answer 23

STRENGTH; DIRECTION

Question 24

The more ____ that objects in a system have, the higher the ____ they can produce in a collision.

Answer 24

kinetic energy; peak force

Question 25

Define Peak Force

Answer 25

The maximum force exerted on an object during a collision.

Question 26

Increasing ____ and keeping the speed the same increased the kinetic energy of the object.

Answer 26

mass