Share Chapter 15 - Section 15.1 ad 15.2 REVIEW
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Energy is the ability to do _______.
work
When work is done on an object, _______ is transferred to that object.
energy
TRUE or FALSE: Energy in food is converted into muscle movement.
True
TRUE or FALSE: Energy is transferred when work is done.
True
TRUE or FALSE: Both work and energy are usually measured in Joules.
True
TRUE or FALSE: One joule equals one meter per Newton.
False
Energy of motion is called ______.
Kinetic Energy
TRUE or FALSE: You can determine the kinetic energy of an object if you know its mass and its volume.
False
What is the formula to solve for Kinetic Energy?
KE = ½mv²
Calculate the kinetic energy of a 0.25kg toy car traveling at a constant velocity of 2 m/s.
0.5 Joules
Potential energy is the energy that is stored as a result of an objects ____ or ____.
position or shape
TRUE or FALSE: The work done by a rock climber going UP a cliff decreases her potential energy.
False
An objects gravitational potential energy depends on its _____, its _____, and the acceleration due to gravity.
mass, height
TRUE or FALSE: Gravitational potential energy of an object increases as its height increases.
True
The potential energy of an object that is stretched of compresses is _______.
elastic potential energy
A diver on a platform high above the water is an example of ______ potential energy.
gravitational
