Measurements
Energy
Metric Conversions
Calculations
Mr. Newton
100
The unit for total mechanical energy
What is Joules
100
This energy is due to position
What is potential energy
100
This is the smallest unit on the metric ladder
What is milli
100
Calculate PE given this info:
m = 250g
g = 10N
H = 30m
What is 75,000 J
100
Newton's first law (aka - Law of Inertia)
What is an object at rest will stay at rest; an obj. in motion will stay in motion unless acted on by an outside force.
200
The unit for acceleration
What is m/s2
200
This energy is the sum of potential energy and kinetic energy
What is total mechanical energy
200
To convert to a smaller unit, you move the decimal in which direction?
What is to the right
200
Calculate KE given this info:
m = 120 g
v = 25m/s
What is 75,000 J
200
Rank the following from least inertia to most inertia:
a bowling ball, a mosquito, a car, a basketball, a bowling ball
What is a mosquito, a basketball, a bowling ball, a car.
300
Which of these, velocity or displacement, are vector quantities
What is both are vector because direction matters
300
The formula for potential energy includes these three magnitudes
What is mass, gravity and height
300
In the mneumonic King Henry died a miserable, lonely, gruesome death called measles, what does the d, c & m stand for?
What is deci, centi and milli
300
Calculate momentum of a 2000 truck traveling at 30 m/s.
What is p = mv 60,000kg*m/s
300
Complete the statement below according to Newton's 3rd law: Mrs. Bovery pushed down on the desk...
What is the desk pushed UP on Mrs. Bovery
400
The symbol for momentum
What is p
400
Because velocity is squared in the formula for kinetic energy, an increase in velocity will have a greater impact on KE than a change in mass. T/F
What is true
400
The three base units
What are meters, liters, grams
400
Formula to solve for mass if you are given momentum and velocity
What is m = p/v
400
Which of Newton's laws is also known as the law of acceleration
What is Newton's 2nd Law
500
If a car travels 50 m/s, how long will it take to travel 250 m?
What is 5 seconds
500
Which has more potential energy...a motorcycle or an 18 wheeler truck? Why
What is the 18 wheeler because it has a greater mass than a motorcycle.
500
Convert 1280 mm to ______m
What is 1.28 g
500
Formula for change in momentum
What is p (final) - p (initial)
500
According to Newton's 2nd law, F=ma. Based on this, how much force is needed to accelerate a 10 kg object 5 m/s2
What is 50 m/s2