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100

Acceleration is a change in ________

Motion

100

What is a measure of force and what is the measure of amounts of matter?

Weight, mass

100

Sine is the __________ side divided by the ___________.

opposite, hypotenuse

100

If angular velocity and torque are in the same direction, angular velocity ________. 

Increases

100

Time intervals are _________

Scalars

200

These two things affect free fall acceleration

Mass and distance

200

What two things are required to have force?

Agent, system

200

An equilibrant is a force with ____________ magnitude as the resultant force. It is in the ________ direction as the force. 

similar, same

200

Which law states that objects interact with a force directly proportional to their mass and inversely proportional to distance? 

Newton's Law of Universal Gravitation

200

You must consider _____________ and ___________ when dealing with angled launched projectiles.

maximum height and range

300

If velocity and acceleration are in opposite directions, the speed of the object is ____________.

Slower
300

Where would you feel weightlessness the most? 

Space

300

You use this law when you are given two vector measures and only one angle measure.

Law of Cosines

300
More inertial mass = _______ acceleration by the object. 

Less

300

What device used on submarines and planes help detect changes in orientation?

Gyroscopes

400

Explain why a ball comes back down from the air after being tossed up

Gravity is the only force acting on it.

400
All accelerations are due to the __________ _______________ forces on an object. 

Constant unbalanced

400

This force deals with friction exerted on moving objects. 

Kinetic friction

400

Who said "Mass changes the space around gravity"?

Einstein

400

Name one simple machine

(Lever, screw, pulley, wedge)

500

If a plane accelerates uniformly from rest at 6.0 m/s2 for 15 seconds, what final velocity did it attain? 

9.0 m/s

500

If a scale shows you weigh 468 N, what is your mass? 

47.8 kg

500

A hiker walks 3.9 km in one direction, but then makes a 48° turn to the right and walks another 4.5 km. What is the magnitude of his displacement? 

3.5 km

500

A 24 kg ball is 35 m away from another ball with a mass of 25 kg. What is the gravitational force?

3.3 (or .27) x 10-11 N

500

An airplane is travelling at 298 m/s and makes a turn. What is the smallest radius of the circular path (in km) it can go and keep the centripetal acceleration under 5.0 m/s2?

17.8 (or .76) km