6.8B Forces and 6.8E Simple Machines Vocabulary

A push or pull exerted on an object

• balanced forces

• force

• unbalance forces

• average speed

equal forces acting on an object in opposite directions

• moving at a steady rate over time

• unbalanced forces

• balanced forces

• force

forces that cause a change in the motion of an object

• unbalanced forces

• distance

• time

• acceleration

total distance divided by total time

• distance

• average speed

• unbalanced forces

• time

second (s), minutes (min), hours (hr)

• time

• distance

• acceleration

• displacement

the rate at which velocity changes over time

• displacement

• time

• direction

• acceleration

the path that a moving object follows

• direction

• displacement

• position

• motion

object's overall change in position from the starting point

• spring scale

• position

• displacement

• force

change in position (movement)

• position

• motion

• spring scale

• force

the location of an object

• spring scale

• position

• displacement

• motion