10 Questions
What is the stored energy an object has as a result of its position above Earth’s surface?
Gravitational potential energy
Which form of energy comes from the motion of an object?
Kinetic energy
What is the metric unit of measurement for both work and energy?
Joule
Which formula represents the work–energy theorem?
$W = \Delta KE = \frac{1}{2}mv^2$
What does the force exerted to lift a rock off the ground equal to?
Its weight, w
Which of the following statements best describes work in the scientific sense?
Applying force to move an object over a distance in the direction of the force
Why is lifting a rock upwards off the ground considered as work?
Because it requires application of force in the direction of motion
Why is carrying a rock in a straight path across the lawn at a constant speed not considered work?
Because no force is applied to keep the rock moving forward at constant velocity
How are work and energy related?
Work changes an object's energy, and energy can be defined as the ability to do work
In what sense can energy be defined?
As the ability to do work
Test your understanding of the Work–Energy Theorem in physics with this quiz. Explore the definition of work, application of force, and examples related to work in the scientific sense.
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