7K Forces
7Ka Different forces
3 effects of a force on an object
Examples of non-contact forces
Examples of contact forces
How to measure forces and masses
7Kb Springs
How does the extension of a spring change with force.
7Kc Friction
7Kd Pressure
What are the effects of friction
Explain how the amount of friction can be changed.
Examples of when friction is helpful
Examples of when friction is unhelpful
Describe the effects of high and low pressure
7Ke Balanced and unbalanced
Identify balanced and unbalanced forces
Explain the effects of balanced and unbalanced forces
Calculate pressure and recall its unit
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