List of possible topics

Bat and ball impacts

The forces and energy transfer of bouncing ball

The motion and energy in bungy jumping (model)

The motion and energy in weightlifting

The motion and energy in long jump

The motion and energy in pole vaulting

Flight of a shuttlecock

Energy delivered by a catapult

Effect of spikes on sprinting shoes

Sweet spot of a tennis racket

Motion of a yoyo

Friction of different shoes

Shock absorption of different materials

Shock absorption of running shoes

Rising bubbles

Viscosity of oils

Surface Tension

Terminal velocity of parachutes.

Friction when an object falls from air to water.

Viscosity of honey

Performance of a parachute

Terminal velocities of rain drops

Torsion Pendulum

Towel slipping off a towel rail

Motion of a supermarket trolley

Energy in a wind-up toy

Flight of paper planes

Kites

Thrust of a propeller (in air, or in water)

Bifilar pendulums

Simulation of impacts using the linear air track

The terminal velocity of balloons.

Static friction between two surfaces

Analysing the flight of a table tennis ball

The bounce time of a ball

Energy changes when trampolining

Comparison of lubricants in reducing friction

Braking distance on a bicycle

Air resistance on a skateboard rider or cyclist

Force exerted on the starting block by an athlete

Potential energy stored in a track shoe sole

How protective are padded postal packages?

Energy stored in a stretched rubber band

The oscillation of a weighted cantilever.

Simulation of the impact of a head with the dashboard.

The friction between shoe soles and various flooring materials