Science 8 Force And Motion Definitions

Question 1

An event or process that leads to a result or change

Answer 1

Cause

Question 2

The moment when two objects hit each other

Answer 2

Collision

Question 3

A result or change caused by an event or process

Answer 3

Effect

Question 4

The same in size degree and value

Answer 4

Equal

Question 5

To apply force

Answer 5

Exert

Question 6

A push or pull that can change the motion of an object

Answer 6

Forcd

Question 7

A force between an object and the surface it is moving over

Answer 7

Friction

Question 8

To reach a conclusion using evidence and reasoning

Answer 8

Infer

Question 9

The energy that an object has because it is moving

Answer 9

Kinetic energy

Question 10

The amount of matter that makes up an object

Answer 10

Mass

Question 11

Anything that has mass and takes up space.

Answer 11

Matter

Question 12

Acting or going in reverse direction

Answer 12

Opposite

Question 13

A self contained unit on an aircraft or spacecraft etc.

Answer 13

Pod

Question 14

How fast an object is moving.

Answer 14

Speed

Question 15

Speed in a particular direction.

Answer 15

Velocity

Question 16

A tendency to do nothing or to remain unchanged.

Answer 16

Inertia

Question 17

Describes using plus minus north west east south etc.

Answer 17

Reference direction

Question 18

When the net force is not zero, and produced a change in motion.

Answer 18

Unbalanced Force

Question 19

Measure of total distance over time

Answer 19

Average Speed

Question 20

When the force applied to an object produces a net force of zero.

Answer 20

Balanced Force

Question 21

Speed does not change

Answer 21

Constant speed

Question 22

SI unit for mass

Answer 22

Kilogram

Question 23

Speeding up slowing down or changing direction

Answer 23

Acceleration

Question 24

Unit for speed

Answer 24

Kilometers per hour, meters per hour, centimeters per second

Question 25

Unit for distance

Answer 25

Kilometer meters miles

Question 26

Fluid friction experienced by object falling through air

Answer 26

Air resistance

Question 27

The sum of all forces acting on an object

Answer 27

Net force

Question 28

Force that acts on an object stretching apart of matter

Answer 28

Tension force

Question 29

The force that pulls an object toward the earth

Answer 29

Gravity

Question 30

The formula of force

Answer 30

F = M *A

Question 31

the quantity of motion of a moving body, measured as a product of its mass and velocity.

Answer 31

Momentum

Question 32

A body at rest, will remain at rest unless an unbalanced force acts on it.

Answer 32

Newtons 1st Law

Question 33

The force on an object is equal to the mass of that object times its acceleration, F = M * A

Answer 33

Newtons 2nd Law

Question 34

For every action, there is an equal and opposite reaction.

Answer 34

Newtons 3rd Law

Question 35

How far an object is from where it traveled

Answer 35

Displacement

Question 36

To establish a point from which to measure future distance, or if movement has occurred

Answer 36

Reference Point

Question 37

The limit of the average velocity as the elapsed time approaches zero

Answer 37

Instantaneous

Question 38

What does Δ mean?

Answer 38

Final velocity - Initial Velocity

Question 39

Equation to find time

Answer 39

Δv/a

Question 40

Equation for final velocity

Answer 40

Initial Velocity + Acceleration * Time

Question 41

Equation for initial velocity

Answer 41

Final Velocity - Acceleration * Time

Question 42

Increasing Velocity/ Speeding Up

Answer 42

Positive Acceleration

Question 43

Decreasing Velocity/ Slowing Down

Answer 43

Negative Acceleration

Question 44

Constant Velocity/ Not Accelerating

Answer 44

No Change In Velocity

Question 45

A Certain Starting Position Of Velocity

Answer 45

Initial Velocity