Energy PT U3

An inclined plane can decrease the force needed to move an object by ____.

• decreasing load

• increasing load

• increasing distance

• decreasing distance

When a person is skiing down a mountain, what kind of energy is demonstrated?

• motion

• potential energy

• kinetic energy

• dynamic energy

____ is the correct formula for finding an object's speed.

• S=D/T

• S=T/D

• S=M/D

• S=A/T

Most energy transforms into this type of energy.

• light energy

• nuclear energy

• chemical energy

• heat energy

What type of change occurs when a pile of wood is lit on fire?

• Heat energy to chemical energy.

• Chemical energy to light & heat energy

• Electromagnetic energy to geothermal energy.

A push or pull on an object is called ____.

• motion

• force

• velocity

• momentum

_____: Force = mass times acceleration, F=ma

• 3rd Law of Motion

• 1st Law of Motion

• 2nd Law of Motion

Potential energy is ___.

• chemical energy to geothermal energy

• active energy

• stored energy

___ is the force that slows down or stops motion.

• Friction

• Acceleration

• Mass

• Gravity

Heat transferred by the unequal heating in liquis or gases is called ____.

• conduction

• convection

• radiation