A football is thrown down off of a building with a force of 70 Newtons. Gravity is pulling down the football with a force of
19 Newtons. What is the net force on the football?

89 N downward.

Explanation:

Both forces are working in the same direction -- down.

Therefore you can add them together.

F = F1 + F2

F is the total force

F1 is the gravitational force

F2 is the force the person provides

F1 = 19

F2 = 70

F = ?

F = 19 + 70

F = 89 Newtons downward.

the aurora is formed when charged particles emitted from the sun during a solar flare penetrate the earth's magnetic shield and collide with atoms and molecules in our atmosphere. these collisions result in countless little bursts of light, called photons, which make up the aurora.

auroras are generated by charged solar particles hitting molecules in earth's atmosphere. this usually happens in high latitudes, because our planet’s magnetic field tends to funnel these particles toward the poles. that’s why it can be experienced in northern ohio.