PE Unit 3 Definitions

Question 1

Define motor skills

Answer 1

Activities that require voluntary motion to achieve a goal

Question 2

Define Fundamental Movement Skills

Answer 2

FMS are foundation skills that provide basis for the development or more sport specific skills

Question 3

Define Sport specific skills

Answer 3

Skills developed to suit performance parameters of a certain sport

Question 4

Define a force

Answer 4

A push or a pull

Question 5

Define a net force

Answer 5

An unbalanced force

Question 6

Define mass

Answer 6

Amount of matter possessed by an object

Question 7

Define Newton’s First Law

Answer 7

An object will remain at rest or continue in a state of motion unless acted upon by a net force

Question 8

Define Inertia

Answer 8

The resistance of a body to change its state of motion

Question 9

Define Newton’s Second Law

Answer 9

A force applied to an object will cause a change in motion in the direction of the applied force, directly proportional to size of the force and inversely proportional to the mass of the object

Question 10

Define Newton’s Third Law

Answer 10

For every action there is an equal and opposite reaction

Question 11

Define Distance

Answer 11

How far something has travelled

Question 12

Define Displacement

Answer 12

The difference between the initial position and final position of an object (with direction applied to it)

Question 13

Define Speed

Answer 13

The rate at which something is travelling

Question 14

Define Velocity

Answer 14

The speed of something in a given direction

Question 15

Define Momentum

Answer 15

The amount of motion that an object has

Question 16

Define Motion

Answer 16

The action of moving or changing place

Question 17

Define Linear motion

Answer 17

Movement of body where all body parts are moving in the same directionat same speed

Question 18

Define angular motion

Answer 18

Movement of body part around an axis of rotation

Question 19

Define General Motion

Answer 19

A combination of linear and angular motion

Question 20

Define/State conservation of linear momentum

Answer 20

The total momentum possessed by objects before and after collision will remain same

Question 21

Define/State Summation of Momentum

Answer 21

The summed up force produced by body parts working together to allow object to possess high momentum

Question 22

Define Impulse

Answer 22

Impulse is equal to the change in momentum of an object

Question 22

Define Angular Distance

Answer 22

How far soemthing has travelled around an axis

Measured in degrees

Question 23

Define Angular displacement

Answer 23

Difference between inital and final angular position of object

Measured in degrees

Question 24

Define **Angular velocity**

Answer 24

The **rate of change** of *angular displacement over time*

Question 25

Define **Angular Momentum**

Answer 25

The **amount of angular motion** possessed by a body

Question 26

Define **Moment of Inertia**

Answer 26

A measure of an object's **resistance to change** in its *rate of rotation*

Question 27

Define a **Projectile**

Answer 27

An object that is **launched** *into the air* and is only affected by the forces of gravity and air resistance

Question 28

Define an **eccentric force**

Answer 28

Force applied *away from centre of gravity* of an object

Question 29

Define a **concentric force**

Answer 29

Force applied *through centre of gravity* of an object

Question 30

Define **Torque**

Answer 30

The **turning effect** caused by *an eccentric force*

Question 31

Define **Equilibrium**

Answer 31

When **all forces are balanced**

Question 32

Define **Balance**

Answer 32

The ability to **control equilibrium** whilst staitionary or moving

Question 33

Define **Stability**

Answer 33

The ability to **resist a change in its current state of equilibirium**

Question 34

Define **static equilibrium**

Answer 34

When **all forces acting on a body** are **balanced** and the *body is not moving*

Question 35

Define **dynamic equilibrium**

Answer 35

When **all forces acting on a body** are **balanced** and the *body is in constant velocity*