Motion Distance and Displacement

What is a reference point?

• A place or object that is staying still, that is used to determine if something else is moving.

• A place or spot where something is located

• The action of moving or being moved

• Shortest distance between starting position and ending position

Motion can be described through a change in _____.

• temperature

• distance

• position

• speed

Tags

NGSS.MS-PS2-2

In order to determine an object’s location, you need a _____.

• time

• displacement

• speed

• reference point

To determine if an object has changed position, you need to know its position relative to another object. _______________

• True

• False

Velocity is speed with direction

• True

• False

20 km/hr is an example of

• direction

• velocity

• speed

• distance

300 km/hr North is an example of

• Velocity

• Speed

• Direction

• Reference point

You should NOT use a moving object as a reference point

• True

• False

If you leave home and travel a million miles around the world and stop back home, what is your displacement?

• One million miles

• 0

• two million miles

• none of the above

You are in a car going 20 km/h and another car passes you going in the opposite direction at 20 km/h. Do both cars have the same velocity?

• Yes, because they are both going 20 km/h

• No, because they are going in different directions