Forced Pairs

Please get your notebooks ready for notes!

Multiple Choice

What is Newton's First Law of Motion?

• F = m x a
• Every action has an equal an opposite reaction
• An object at rests stays, an object in motion stays in motion
• Friction

Multiple Choice

The measure of gravitational force is...

• Gravity

• Weight

• Friction

• Air Resistance

Fill in the Blanks

A scientist pilot is measuring a meteor he found. He measured it to have 30 kg for its mass. The asteroid is sitting on a scale that measures Newtons. How many Newtons would the scale read? ( F = m*a)

Fill in the Blanks

The scientist pilot also happens to be flying 300 meters above the ground in his airplane laboratory. As he forgot he was flying an airplane still in the air, he accidentally dropped the asteroid out of the plane as he rushed to the cockpit! How many m/s will it be going when it hits the ground? (2 sig figs)

Fill in the Blanks

Suppose the dropped asterioid was going 77 m/s before it hit the ground. How long will it take to reach the ground from being dropped from the plane? (V_f = V_i + a*t) _ m/s