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3 cards from this section. Quick, good the night before a test.
Define what a force is.
Think about how you might move an object.
What is the difference between contact and non-contact forces?
Consider forces acting without touching.
What is force?
Think about how you might influence the movement of an object.
Which of the following is a non-contact force?
Consider how objects fall without direct contact.
A vehicle weighs 2000 kg, and it accelerates at 2 m/s². What is the net force acting on the vehicle?
Think of how to apply Newton's second law.
If two opposing forces of 5 N and 3 N act on an object, calculate the net force and state the direction.
Consider how forces work in the same vs. opposite directions.
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