Simple Machines Flashcards
What is the extra piece of information that velocity gives you compared to speed?
Direction
What is the difference between distance and displacement?
Distance=amount of area traveled
Displacement=amount of area object could have traveled
How do you find velocity knowing displacement and time?
Displacement/time
Or
D/t
When an object is at rest what does that tell you about it’s motion?
It’s motion is 0
Give an example of newton’s 1st, 2nd, and 3rd laws
1st: soccer ball being kicked
2nd: car moving
3rd: ball bouncing on the ground
What is friction?
A force that resists all motion
What are the units for mass?
The base unit is Grams
The one we (as a class) use most is Kilogram
What’s the unit for time?
Seconds
What’s the unit for velocity?
Meter second
What’s the unit for displacement?
Meters
What’s the unit force?
Newtons
What’s the unit for acceleration?
Meters per second squared
Write the following in scientific notation;
102000
1.02x10^5
Convert the following;
200 centimeters into meters
2 meters
Write the following in standard notation;
6.5x10^-5
.000065