physics lab 2008-energy. linear work the act of exerting a force through a distance in the...
TRANSCRIPT
![Page 1: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/1.jpg)
Physics Lab
2008-Energy
![Page 2: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/2.jpg)
Linear WorkThe act of exerting a force through a
distance in the direction of the force (constant)
W = Fx cos F = Force x = Displacement cos = angle w.r.t. Force
![Page 3: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/3.jpg)
Rotational WorkThe act of exerting a torque through an
angular displacement (fixed Axis) W =
= Torque = angular Displacement
![Page 4: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/4.jpg)
Work Done by PressureThe act of maintaining a pressure
through a volume change (Constant Pressure)
W = P V W = Work, P = Pressure V = change of Volume
![Page 5: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/5.jpg)
Work done by an Electric FieldThe act of moving an electric charge
within an electric field (Constant Field)W = E q x
E = Electric Field Strength, q = electric charge, x = Displacement
![Page 6: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/6.jpg)
Linear Kinetic EnergyThe ability to do work because of
linear motionKE = 0.5 m v2
m= mass V= linear velocity
![Page 7: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/7.jpg)
Rotational Kinetic EnergyThe ability to do work because of
rotational motion. (fixed axis)KErot = 0.5 I 2
I = moment of Inertia = angular velocity
![Page 8: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/8.jpg)
Potential EnergyThe ability to do work because of
position within a force field
![Page 9: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/9.jpg)
Gravitational Potential EnergyThe ability to do work because of
position within the gravitational force field
PE = mgh m = mass g = gravity (9.8 m/sec2) h = height w.r.t reference
![Page 10: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/10.jpg)
Spring Potential EnergyThe ability to do work because of
elongation or compression of a springUs = .5 k s2
k = spring constant s = amount spring compressed or
extended
![Page 11: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/11.jpg)
Electric Capacitor Potential EnergyThe ability to do work because of
electric charges stored in an Electric Force field
Uq = .5 q2/C q = charge C = capacitance
![Page 12: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/12.jpg)
PressurePotential Energy per unit volume within
a fluid (liquid and/or gas/vapor)P = F/A
P = pressure F = force A = area
![Page 13: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/13.jpg)
Ideal Gas Law Relationship between energy stored in Ideal
gas and its temperature PV = nRT
P = pressure V = volume n = number of moles of gas R = the energy to change the temperature of one
mole of gas by one Kelvin T=temperature in Kelvin
![Page 14: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/14.jpg)
PowerThe rate at which work is done or
energy is transformed (used or generated)
P = W/T P = Power W = Work T = time to do work
![Page 15: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/15.jpg)
Linear PowerThe rate at which work is done during
linear motionP = Fv
P = Power F = Force v = velocity
![Page 16: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/16.jpg)
Rotational PowerThe rate at which work is done during
rotational motion (Fixed Axis)P =
P = Power = Torque = angular velocity
![Page 17: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/17.jpg)
Electrical PowerThe rate at which electrical energy is
generated or transformed to other energy
P = VI P = Power V = Electrical Potential (Volts) I = Current (Amps)
![Page 18: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/18.jpg)
Ohmic HeatingThe rate at which electrical energy is
transformed into heatP = I2R
P = Power I = Current (Amps) R = Resistance (Ohms)
![Page 19: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/19.jpg)
Fluid PowerThe rate at which a liquid fluid does
work, (hydraulic)P = pv
P = Power p = pressure v = volume flow rate
![Page 20: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/20.jpg)
EfficiencyThe ratio of usable energy resulting
from an energy conversion to the total energy supplied for the conversion.
![Page 21: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/21.jpg)
Efficiency of Work
e = Wout/Win
Wout = useful work out
Win = Total work input
![Page 22: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/22.jpg)
Efficiency of Power
e = Pout/Pin
Pout = useful power out
Pin = Total power input
![Page 23: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/23.jpg)
Efficiency of Energy Conversion
E= Eout/Ein
Eout = Useful Energy out
Ein = Total Energy Input
![Page 24: Physics Lab 2008-Energy. Linear Work The act of exerting a force through a distance in the direction of the force (constant) W = F x cos F =](https://reader030.vdocuments.mx/reader030/viewer/2022032703/56649d215503460f949f5f23/html5/thumbnails/24.jpg)
Other NotesAny other equations the students must
use must be provided by Event supervisor
All answers must be in SI Units ( Newton, Joule, Watt, Kilogram, meter, and second)
All answers must have the proper number of significant figures
Students may bring non-programmable calculator