Revision as of 09:05, 8 May 2008

Outcomes

• Students should be able to label pairs of forces in a range of situations
• Students should understand that the forces are acting on different objects and therefore do not cancel out!!

Specification References

• none

Starter

• Two students on skateboards pushing off each other
• Tug of war with Newton scales

Main Body of Lesson

Circus of demos including:

• Use of force plate on data studio of student jumping
• Stationary trolley with bow and rubber arrow
• Releasing a balloon attached to a tight string across the room
• Getting out of a row boat
• Earth pulls on apple and therefore apple pulls up on Earth

Plenary

• Firing a rocket from Broadfield

Homework

Additional Information

Resources Required

• Cavendish experiment
• Bowling Ball
• Lycra sheet
• Clever physics worksheet

Textbook References

• None

Website References

• A short biography of Henry Cavendish

Skills Addressed

• Measurement
• Observation
• Calculation

Safety/Hazards

• Bowling ball is heavy
• Class II laser used in Cavendish experiment

Notes

• None