Speed and Forces

Speed -

• A measure that gives rate of change and position

• A measure that dissolves to one unit

• A measure of distance an object travels per unit of time.

• A measure of distance an object travels per unit of measurement.

Speed formula

• S=S X T

• S=TX S

• S=D/T

• S=T/D

Forces are measured with units called

• Meters

• Newtons

• Length

• Miller

The overall speed at which an object moves

• Average speed

• Speed

• Balanced

• Unbalanced

Separate forces on an object that combined do not change the movement of the object.

• Balanced

• Unbalanced

• Force

• Speed

When you coast down a hill you experience what?

• acclereration

• astronomical units

• fun

• direction

A decrease in speed can be caused by what?

• Friction

• gravity

• grass on the lawn

• all of the above

A basic unit of length in the metric system is called

• liters

• meters

• feet

• inches

Automobile brakes depend on what to work?

• a good mechanic

• gravity

• friction

• a brake show

If you have constant speed and a constant direction there is ...

• no accleration

• a minimal amount of accleration

• always acceleration

• wind in your hair