Movement Vocab

A push or pull is the definition of a ______

What is the definition of speed?

• The rate at which someone or something is able to move

• When unequal forces cause something to move

• The amount of energy transferred by a force

• How fast and what direction you are going

A change in the speed of something is called what?

• Acceleration

• Force

• Velocity

• Inertia

Inertia is the tendency to _______

• do nothing

• be lazy

• move constantly

• accelerate

What happens when unequal forces are pushing on an object?

• it moves

• it stays put

• it collapses

• friction starts working

We call 2 or more EQUAL forces acting on an object ____

• unbalanced forces

• balanced forces

When two surfaces move across each other, we call the resistance _____

• friction

• inertia

• speed

• velocity

In Science, work is ___

• How much energy is transferred by a force

• How you pay your bills

• "activity involving mental or physical effort done in order to achieve a purpose or result"

• "a task or tasks to be undertaken; something a person or thing has to do."

Acceleration is

• Only how quickly something turns a corner.

• Any time the velocity changes

• only when something speeds up, not when it slows down

• only the increase in rate of speed of something.