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4 cards from this section. Quick, good the night before a test.
What is the formula to calculate work?
Remember the components of force and direction.
If a force is applied but there is no displacement, what is the work done?
Think about the definition of work.
What is the formula for work?
Think about the angle involved.
True or False: If a force is perpendicular to displacement, then work done is positive.
Visualize the force and motion interactions.
Calculate the work done if a student lifts a 3 kg backpack to a height of 2 meters. Assume g = 9.8 m/s².
Look for the energy change in relation to height.
A car is pushing a trailer at an angle of 45 degrees with a force of 100 N over a distance of 15 m. Find the work done.
Remember to include the angle in your calculations.
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