2-4 What is work?
OBJECTIVE: Relate work, force, and distance.
Key Term
work: force exerted through a distance
Lesson Summary
• Work is done when a force moves an object a certain distance.
• Energy can be defined as the ability to do work.
• For work to be done, a force must make an object move in the same direction as the force.
• Nature supplies the energy to do all kinds of work.
Key Term
work: force exerted through a distance
Lesson Summary
• Work is done when a force moves an object a certain distance.
• Energy can be defined as the ability to do work.
• For work to be done, a force must make an object move in the same direction as the force.
• Nature supplies the energy to do all kinds of work.
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