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2 cards from this section. Quick, good the night before a test.
What is a force?
Think about actions like kicking or pulling.
What is pressure?
Consider the pressure from a nail going into wood.
What type of force is friction?
Think of how it slows down sliding objects.
True or False: Pressure can increase with a larger force applied over a smaller area.
Consider the effect of a nail versus a hammer.
If a force of 50 N is applied on an area of 2 m², calculate the pressure exerted.
Use the formula pressure equals force divided by area.
Explain how too much force can deform materials instead of moving them.
Think about what happens to soft substances under various pressures.
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