Newton’s Second Law
F = ma
F = Force
m = mass
a = acceleration
Units for Force
Friction
Force of gravity acting perpendicular to an inclined plane
mgcos(theta)
Force of gravity acting parallel to an inclined plane
mgsin(theta)
Torque
Torque units
N*m
Work
Fdcos(theta)
Work units
1 J = N*m
Work (pressure volume curve)
Center of mass (no units)
Mechanical Advantage (no units)
Power (in terms of Work and Energy)
Power units
Watts = J/s
Power (in terms of velocity)
Fv
Kinetic and Potential Energy
Units for Potential and Kinetic Energy
J
Elastic potential energy
Units for elastic potential energy
J
Hooke’s Law
F = -kx
Frequency of a wave
Frequency of a wave units
1/s = Hz
Density
Mass over volume
Units for density