Contact Forces

What is motion?

• Distance over time

• The location of an object

• Movement

• Change in position

What is position?

• Distance over time

• The location of an object

• Movement

• Change in position

When measuring motion, we compare the position to the...

• reference point

• object

• location

• direction

What is happening in this position-time graph?

• moving away at a constant speed

• moving towards at a constant speed

• moving away increasing speed

• moving towards increasing speed

Tags

NGSS.MS-PS3-1

How is "no motion" represented on a position-time graph?

• horizontal line

• vertical line

• curved line

• straight line

A steep slope on a position-time graph indicates

• fast motion

• slow motion

• changing speeds

• no motion

What is a force?

• a push

• a pull

• a push or a pull

• none of the above

Force is measured in:

• Newtons

• Grams

• Milliliters

• Centimeters

Tags

NGSS.MS-PS2-2

True or False: A force MUST change the motion of an object.

• True

• False

Tags

NGSS.MS-PS2-2

A vector includes two things. What are they?

• Magnitude and direction

• Force and speed

• Speed and direction

• Velocity and position