SI
Definitions
Machine
Electricity
Calculations
100
Unit for Length
What is meter
100
Energy stored in a non-moving object
What is potential energy
100
Jar lid
What is a screw
100
Lost electrons, gained protons
What is a positive charge
100
E (kWh)= Pt P= 2.32 kW t= .75 hr
What is 1.74 kWh
200
Unit for Time
What is second, minute, hour
200
An object in motion will stay in motion unless acted on by an outside force
What is Newton's 1st law
200
A ramp
What is an inclined plane
200
A strand of Christmas lights
What is a series circuit
200
acceleration (m/min2) = Vf-Vi/t Vf= 23 Vi=2 t=4 mins
What is 10.5 (m/min2)
300
Unit for temperature
What is kelvin
300
For every action there is an equal and opposite reaction
What is Newton's 3rd law
300
Flag pole
What is a pulley
300
The unit for resistance
What is Ohms
300
Current (amps) = V/R V= 132 V R= 40 Ohms
What is 3.3 amps
400
Unit for volume
What is liter
400
Energy in a moving object
What is Kinetic energy
400
A see saw
What is a lever
400
kilowatt-hour measures
What is electric energy
400
momentum (kg m/s)= m(v) m= 4 kg v= 32 m/s
What is 128 kg m/s
500
Unit for electric current
What is ampere
500
F=ma
What is Newton's 2nd law
500
Pencil sharpener
What is a wheel and axel
500
2 or more loops for the current to flow through
What is a parallel circuit
500
Kinetic Energy (J)= 1/2 m (v2) m= 8 kg v= 12 m/s
What is 576 J
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