1.1 Gravity & Friction

Front

The attractive force that exists between all objects that have mass

Back

Gravity

Front

Any object with mass has gravity.

Back

True

Front

As distance between two objects increase, the pull of gravity

Back

Decreases

Front

Why would a person weigh less on the Moon than on the Earth?

Back

Moon has less mass and therefore less gravity

Front

leaves blowing in the wind is an example of a

Back

contact force

Front

magnet attracting a nail

Back

noncontact

Front

Classify: a leaf falling from a tree (Options: contact, noncontact)

Back

noncontact

Front

Classify: lightning going through the sky

Options: contact, noncontact

Back

noncontact

Front

Classify: a bat hitting a baseball Options: contact, noncontact

Back

contact

Front

pushing in a chair

Back

contact