BALANCE & STABILITY
NEWTON’S LAWS IN SPORT
PROJECTILE MOTION & CONTACT FORCES
IMPROVING FORCE
MIXED BAG
100

What is balance/stability?

This is the ability to maintain equilibrium while stationary or moving.

100

What is number is Law of Inertia?

Newton’s First Law is also known as this law.

100

These are the three factors of projectile motion.

 angle, speed, and height of release?

100

This biomechanical principle involves using body parts sequentially to generate maximum force.

summation of momentum/force

100

Explain the difference between “describe” and “analyse.”

Describe = state features; Analyse = break apart and explain relationships. WHAT HOW WHY

200

A soccer goalkeeper widens their base before diving. Explain why this improves stability.

Wider base increases stability.

200

Explain how Newton’s Second Law affects the force of a soccer kick.

Greater force = greater acceleration.

200

Explain how speed of release affects a soccer shot.

Greater speed usually increases distance/power.

200

Explain how follow-through improves accuracy in soccer passing.

Follow-through keeps movement controlled and directed and impulse can increase force applied

200

Evaluate why biomechanics and functional anatomy is important?

Teacher discretion

300

Analyse how lowering the centre of gravity helps a touch football player evade defenders.

Lower centre of gravity improves control/change of direction.

300

Analyse how Newton’s Third Law occurs when sprinting in touch football.

Push against ground → ground reaction force pushes athlete forward.

300

Analyse how angle of release changes the flight path of a soccer chip kick.400

Higher angle increases height/time in air. 45-50degrees optimal for longer distance, low angle=fast 

300

Analyse how summation of momentum can increase force in a touch football pass.

Sequential body movement increases force transfer.

300

A movement strategy is and justify two examples to improve a goal kick and touch footy pass

  • Planned method used to improve performance.
  • Sidestepping, changing pace, lowering centre of gravity.
  • Proper alignment improves force transfer and accuracy.
  • Wider base improves balance and defensive control.
400

Evaluate the importance of balance and stability when kicking a soccer ball accurately under pressure.

Improves accuracy, control, force transfer, injury prevention.

400

Evaluate which Newton’s Law is most important for acceleration in soccer. Justify your response.

Usually Second Law because force affects acceleration.

400

Analyse the effect of contact forces on a soccer ball during a curved free kick.

Contact force from foot creates spin/force affecting trajectory.

Drag force

Bernoulli's principla

400

Evaluate one movement strategy a soccer player could use to improve shooting accuracy.

Stable base, eye on ball, correct body positioning etc.

400
  • Show a stable vs unstable body position.
  • Perform a soccer kick showing summation of momentum

Teacher discretion

500

Compare the movement strategies used to maintain stability in a soccer tackle and a touch football sidestep.

  • Soccer uses bracing/contact stability; touch uses dynamic balance/agility. 
500

A player slows down suddenly while defending in touch football. Explain how inertia affects their movement and performance.

Body continues moving due to inertia; harder to stop/change direction.

500

Compare the importance of drag force and gravity during a long touch football pass.

  • Gravity pulls downward; drag slows ball through air. 
500

A player generates powerful kicks but poor accuracy. Evaluate two biomechanical adjustments they could make.

Improve balance, plant foot position, follow-through, body alignment.

500

Name all the muscles and bones used in a chin up

Humerous, clavicle, radius , ulna, scapula

Bicep, triceps, deltopis, latissimus dorsi, rhomaboids, trapezius