FRICTION AND GRAVITY

HOW DOES A SCALE WEIGH YOU?

• We've been learning about
• Gravity all year, and we know that
• Gravity pulls you to the ground.
• When you step on a scale the only
• Thing in your way from the ground is the scale

CONTINUED

• So while gravity is trying to pull
• You to the ground you are putting
• Pressure to the scale which makes
• It mesure your weight.

DOES MOVING IN A ELEVTOR EFFECT HOW YOU WEIGH?

• YES! When you are moving down on a elevator, you
• Start to weigh less because you are being pushed up
• So the faster you go the less you weigh!

WHAT IF YOU WERE GOING UP IN AN ELEVATOR?

• When you are going up you
• Weigh more because you are being
• Pulled to the floor while the ground is coming
• Up at you.

VIDEO