Motion Forces Energy

What do you need to know to be able to describe the location of an object?

• Its position and speed

• A reference point and its velocity

• The position of the object and a reference point

__________ describes the location of an object by comparing it to the where another object is or to a place.

• location

• position

• reference point

• velocity

Reference point________________________

• is a location to use to which to compare the location of other objects.

• decribes the location of an object.

• is the location of an object.

Mrs. Horton is seated behind Ercy.

Which person is used as a reference point?

• Mrs. Horton

• Ercy

Corina is seated at the table to the right of the room.

This is a way to describe Corina's____________________

• favorite place to sit

• position in the classroom

• reference point to other people

What is motion?

• A measure of how far something moves in a given amount if time.

• Describes speed over time.

• A change of position over time.

What is speed?

• A measure of how far something moves in a given amount if time.

• Describes speed over time.

• A change of position over time.

What is the average speed formula used for?

• A way to measure how far something moves in a given amount of time.

• A way to calculate the speed of an object not moving at a constant speed.

• A way to calculate how fast an object is accelerating.

What is this formula used to determine?

• An object's location

• To calculate average acceleration

• To calculate motion

• Tocalculate average speed

What is the average speed of a car that travels 540 miles in 6 hours?

• 100 miles per hour

• 90 miles per hour

• 80 miles per hour

• 70 miles per hour