Science: Matter and Energy - Chapter 3 Test 2

Front

What is work in physics?

Back

Work is the transfer of energy from one system to another through the application of force over a distance.

Front

What is the formula for mechanical advantage under ideal conditions?

Back

Front

What equation describes the distance fallen by an object under the influence of gravity?

Back

Front

What is a frame of reference in physics?

Back

A frame of reference is a set of coordinates or a perspective from which motion is observed and measured.

Front

Who was the ancient philosopher whose ideas about motion were followed for nearly two thousand years?

Back

Aristotle.

Front

What is energy?

Back

Energy is the capacity to do work or produce change.

Front

What is kinetic energy?

Back

Front

What is potential energy?

Back

Front

What is the principle of conservation of energy?

Back

The principle of conservation of energy states that energy cannot be created or destroyed, only transformed from one form to another.

Front

What is a free-body diagram?

Back

A free-body diagram is a graphical representation used to visualize the forces acting on an object.