Question |
Answer |
A push or pull on an object in order to change the motion of the object measured in newtons. |
Force |
The force used to move something a distance. |
Work |
Vibrations inside a medium. |
Wave |
The point in which the wave is the highest. |
Crest |
The point in which the wave is the lowest. |
Trough |
When wave particles move back and fourth in a coil. |
Longitudnal Wave |
When the coil is compacted. |
Compression |
When you spread spring coils apart. |
Rarefraction |
Spring coil waves moving up and down. |
Transverse Wave |
Waves that require a medium. |
Mechanical Waves |
Waves that can travel through empty space. |
Electromagnetic Waves |
The measure of how far particles in the medium move in the rest position. |
Amplitude |
The distance from any point on a wave to the next identical point on the same wave. |
Wavelength |
The number of waves that pass a point in a given amount of time. |
Frequency |
The measure of frequency. |
Hertz |
The speed the wave travels
|
Wave Speed |
The ability to do something |
Power |
A material in which waves can travel through. |
Medium |
If 68 W of power is produced in 18 seconds, how much work is done? |
1224 Joules |
How much time is needed to produce 720 Joules of work if 90 watts of power is used? |
8 seconds |
A set of pulleys lifts an 800 N crate 4 meters in 7 seconds. What power was used? |
457.1 Watts |
A person weighing 600 N gets on an elevator. It lifts the person up 6 m in 10 seconds. How much power was used? |
360 Watts |
If 360 Joules of work are needed to move a crate a distance of 4 meters, what is the weight of the crate? |
90 N |
If a group of workers can apply 1000 newtons to move a crate 20 meters, what amount of work will they have accomplished? |
20,000 J |
If 68 Joules of work were necessary to move a 4 Newton crate. How far was the crate moved? |
17 M |
How much work is done in holding a 15 Newton sack of potatoes while in line at the grocery store for 3 minutes. |
7.55 Joules |