PE Studies Stage 3

“Objects keep doing what they are doing”

Equilibrium exists if the net force is zero

The result of all forces acting on an object

• Applied
• Normal
• Spring
• Tension
• Friction
• Air Resistance
• Gravity

Law of inertia

Measure it using numbers

Describe it using words.

A vector. The rate of change of velocity.

Something that has a direction and a magnitude eg velocity

Force x time. How much force is acting on and object and how long the force acts for.

Impulse causes a change in momentum. This will usually change the velocity of the object.

• The acceleration of an object as
• produced by a net force is directly proportional to
• the magnitude of the net force, in the same direction
• as the net force, and inversely proportional to the
• mass of the object.

Muscle fibres shorten when actin filaments slide inward on myosin filaments - pulling the z-lines closer together.

Divide time into specific blocks. Set goals or activities for each block of time throughout the training year.

Being in the absolute best condition (physical, emotional and mental) at a specific time for an event or race.

reduce your training volume two weeks prior to event. Reduce duration of training but maintain intensity.

• A physical, behavioral and emotional condition that occurs when the
• volume and intensity of an individual's exercise exceeds their recovery
• capacity.

Cease making progress, and can even begin to lose strength and fitness, frequent sickness, fatigue.

Looking at the whole system rather than just concentrating on individual components.

• Increased HR
• Increased Stroke volume
• therefore increased cardiac output
• Redistribution of blood flow

• Thermoregulation
• Recpetors signal brain, brain coordinates systems, regulators work to cool (sweating, redistribution of blood, increase HR, vasodilation)

Treatments or supplements to enhance performance and balance dietary gaps.

• Sports drinks
• Creatine
• Citrate
• Electrolytes
• Zinc
• Vitamens
• Iron
• Calcium
• Liquid meal replacement

Leadership Scale for Sport

Graphic representation of social links within a team.

• Pre contemplation
• Contemplation
• Preparation
• Action
• Maintenance

Service providing clients with feedback, insights and guidance from an outside vantage point. using sport coaching techniques to guide life decisions.

• Equity is fairness.
• Social Justice is a fair distribution of advantages, opportunities and benefits among all members of a society.

Creating opportunities or advantage for groups of people who have an unfair disadvantage eg women, disabled or isolated groups.

Force acting on a segment can be transferred to the next segment.

The body is a complex mix of all systems (muscular, skeletal, cardio, neural etc). These systems are interrelated and skilled performance occurs when these systems coordinate movement patterns involving timing, consistency and coordination.

Assembly of several kinematic pairs connecting rigid body segments. Chain or linked body segments where force is transferred from proximal to distal.

A state of equilibrium

Resistance to change. Stable. Steadfast.

• Stability - wide base of support, low centre of gravity, able to resist force. Still.
• Balance - can be static or dynamic, ability to maintain equilibirum even if in an unstable state.

The point within something at which gravity can be considered to act

The faster molecules within a fluid move, the less pressure they exert on objects around them. And objects move from areas of high pressure to low pressure.

A spinning object flying in a fluid creates a whirlpool of fluid around itself. This whirlpool makes the surrounding fluid travel at different speeds. This then brings into effect Bernoulli's principle.

Resistance to motion through a fluid. Caused by the flow of fluid past the object.

Resulting from the cumulative effects of repeated exposure to a force not sufficient to cause acute injury Long term, takes a long time to recover. Eg shin splints.

Sudden onset and short duration. eg fracture

Recovering easily from adversity, oppostion or failure. Able to "bounce back"

• Playing surface
• Weather - rain, sun, tempreture
• Wind
• Altitude
• Safety

Four factors influence group cohesion - environment, personal, team and leadership.

Forces which act to keep the group together.

How small groups or teams form and interact eg, tuckmans theory of group dynamics

• Forming
• Storming
• Norming
• Performing
• Adjourning (mourning)

• A process that engages individuals within a team in its renewal, change and focused performance.
• DISCOVER
• DREAM
• DESIGN
• DESTINY (or DELIVER)