measuring Moments
During this topic you will learn about the turning forces and how you can change them. You will also learn how to calculate moments and balance forces.
3.1 Energy, electricity and forces: b) forces are interactions between
objects and can affect their shape and motion
Key Terms
3.1 Energy, electricity and forces: b) forces are interactions between
objects and can affect their shape and motion
- Explain what turning forces are and how to change them
- Understand the principle of moments
- Describe how turning forces are use
- Explain how organs and tissues in animals function to support movement
- Apply ideas about forces to explain how objects move
Key Terms
force fulcrum lever
screw |
incline plane
principle of moments antagonistic muscles |
wedge
leverage arm |
pulley
axle force fulcrum |
applied force
wheel anticlockwise moment clockwise moment mechanical advantage |
Class Activities
Lever Activity
Lever Activity data table
Click here to review the Simple Machine Powerpoint presentation
Calculating Moments worksheet.
Balancing on a Beam
Introduction to Moments worksheet 1
Introduction to Moments worksheet 2
Useful Links
BBC Bitesize
S-Cool
Learning Checklist
I can measure the size of a force and use the right units
I can describe situations where forces are balanced or unbalanced
I can describe what happens to the turning effect of a force using a longer lever
I can describe how to balance a see-saw
I can apply the principle of moments to explain situations
I can explain how turning forces are used in levers
Video Clips
Lever Activity
Lever Activity data table
Click here to review the Simple Machine Powerpoint presentation
Calculating Moments worksheet.
Balancing on a Beam
Introduction to Moments worksheet 1
Introduction to Moments worksheet 2
Useful Links
BBC Bitesize
S-Cool
Learning Checklist
I can measure the size of a force and use the right units
I can describe situations where forces are balanced or unbalanced
I can describe what happens to the turning effect of a force using a longer lever
I can describe how to balance a see-saw
I can apply the principle of moments to explain situations
I can explain how turning forces are used in levers
Video Clips