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PS Mid-Term

Physical Science Mid-Term

QuestionAnswer
What is the Equation for Efficiency? e=(Wo/Wi) x 100
What is the SI unit for Power? Watts (W)
What is the Equation for Kinetic Energy? KE=1/2mv²
What is the Equation for Actual Mechanical Advantage? AMA=Fo/Fi
What is the Equation for Actual Mechanical Advantage? IMA=Di/Do
What is the Equation for Power? P=W/T or P=E/t
What is always Greater, IMA or AMA IMA
What are the 6 types of Energy? Mechanical, Thermal, Radiant, Electrical, Chemical and Sound Energy
What is the "Laws of Conservation of Energy" Under Ordinary Circumstances (No Nuclear Reactions), Energy is Neither Created nor Destroyed
What is Elastic Potential Energy? Energy Stored by Compressing or Stretching on an Object
What is the Equation for Work? W=Fd
What is a Rube Goldberg Machine? A Machine Designed to do a Simple task in a very Complex way
What is a Simple Machine? A Machine that does Work W/ only one movement
What are the 6 Simple Machines? Lever, Inclined Plane, Wedge, Pulley, Wheel & Axle and Screw
Is a Wheelbarrow a 1st, 2nd, or a 3rd class Lever? 2nd Class
What is Actual Mechanical Advantage? Number of times a Machine actually Multiplies Input Force
What is Ideal Mechanical Advantage? Number of times a Machine should Multiply Input Force
What is a Pulley? A Grooved Wheel W/ a Rope running over the Groove
What is the IMA of a Single Movable Pulley? IMA=2
What is the Specific Heat of Water? 4184
What is Thermal Energy? The Sum of Kinetic Energy and the Potential Energy of all of the Particles that make up an object
What is a Better Conductor, Foam or a Copper Pipe? Copper Pipe
What is Static Electricity? The Accumulation of excess Electric Charge on an Object
What is the equation for Ohm's Law? V=IR
What does a Fuse do? A small piece of metal inside of it will melt and open up a circuit if Current becomes too High
What is a Solenoid? A Single Wire that is wrapped into a Cylinder Wire Coil
Created by: BigB23
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