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2 cards from this section. Quick, good the night before a test.
What is gravitational force?
Think about how objects pull on each other based on their mass.
What type of force opposes motion?
Consider how sliding surfaces interact.
What is the gravitational force?
Every object with mass experiences this force.
Friction opposes which type of motion?
Think about sliding book on a table.
A block of mass 4 kg is resting on a horizontal surface. Calculate the normal force acting on the block when a force of 10 N is applied horizontally, considering the coefficient of static friction is 0.5.
Remember, normal force balances the gravitational force on a flat surface.
A spring is compressed by 0.1 m and has a spring constant of 200 N/m. How much force is exerted by the spring?
Use the formula for the spring force.
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