A scalar is a quantity with only magnitude and NO direction. A vector is a quantity with both magnitude AND direction.
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What are contact forces? Give examples.
A force that can be exerted between two objects when they touch such as friction, air resistance, tension and normal contact force.
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What are non-contact forces? Give examples.
A force that can be exerted between two objects that air physically separated such as gravtiy, electrostatic forces and magnetic.
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What is the resultant force of an object?
A number of forces acting on an object shown as one arrow. For example if an object is pushed back at 10N, and forward at 50N, it will just be shown as going forward at 40N
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When is a spring permanently derformed?
A spring is permanently deformewd when past the llimit of proportionality.
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Other cards in this set
Card 2
Front
What are contact forces? Give examples.
Back
A force that can be exerted between two objects when they touch such as friction, air resistance, tension and normal contact force.
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