UNITS
What is the unit for acceleration?
m/s2
What is velocity?
Change in displacement over time
Newton's 3rd Law: Every action has ____________________________
Which has more mass, the Earth or the Moon?
The Earth
What color does Ms. Theriault wear every day?
Black
What is 750 cm in meters?
0 m/s
What is another name for gravitational force (mg)?
Weight
What do you multiply by to go from revolutions to meters?
2(pi)r
Ms. Theriault coaches two sports. Name one of them.
Volleyball / Lacrosse
How many seconds are in an hour?
3600 s
What is acceleration?
Change in velocity over time
Which coefficient of friction is typically higher, static or kinetic?
Static
For a car driving on a flat curve, what force provides all of the centripetal force?
Friction
Where did Ms. Theriault attend college?
University of North Carolina Asheville
What is the unit for frequency?
Hz OR s-1
For an object moving to the left (in the negative direction) and slowing down, what is the direction of the acceleration?
To the right (positive direction)
This force is always perpendicular to the surface an object is moving/resting on.
Normal Force
If you double the speed of an object while keeping the radius constant, how does that affect the centripetal acceleration?
Centripetal acceleration increases by a factor of 4
What type of physics research did Ms. Theriault do in college?
Acoustics (Sound)
What is the unit for the gravitation constant?
N*m2/kg2
Starting on level ground, what angle should a projectile be launched at to have the greatest displacement?
45˚
What is an example of a long-range force?
Gravity / Electromagnetic force
What is the mass of the Sun?
1.99 x 1030 kg
Mentioned in a problem on your test, what type of physical music does Ms. Theriault collect?
CDs