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44 Cards in this Set
- Front
- Back
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Equation for average Velocity
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v=x/t
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Average Acceleration
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v/t
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Kinematic Equations relating position, velocity, and acceleration
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v=v+at
x=x(i)+v(i)t+.5at^2 V^2=V(i)^2 + 2a(x-x(i)) v= v +v/2 |
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Equations for x and Y components of a vector
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v(y)=Vsintheta
V(x)=Vcostheta |
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Equation for the magnitude and direction of a vetor, given its x and y components
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V= the square root of V(x)^2+V(y)^2
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Range of a projectile
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R=V(i)^2sin2theta/g
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Newton's Second Law
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F=ma
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Equation for weight
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W=mg
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Equations for the X and Y components of the force of gravity on an object on a slope
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F=mgsintheta (x)
F=mgcostheta(y) |
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acceleration of an atwood machine
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a=g(m2-m1/m1+m2)
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Equation for radial acceleration
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a=V^2/r
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equation for the force required to keep an object in a circular path
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MV^2/r
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Equation relatong mass, velocity, and radius of satellite
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GmM(e)/r^2=Mv^2/r.
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quation for apparent weight in an elevator how to set it up so the equation works properly.
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w=mg+ma
a is up/positive a is down/negative |
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Kepler's Third law
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T1/T2)^2=R1/R2^3
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Equation for the banking angle needed to keep a car on a track without friction
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Tantheta=V^2/rg
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Equation for Work
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W=Fdcostheta
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Equation for kinetic energy
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Ke=1/2mv^2
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Equation for gravitational potential energy
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Pe=mgy
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Work-Energy principle
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Wnet=delta KE=1/2mv^2-1/2mv2
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Equation for Power
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P=fdcostheta/t
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Hooke's Law
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F=kx
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Elastic Pe
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Pe=1/2kx^2
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Unit Definitions for Jule and the Watt
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Joule=NM=Kgm/s^2
Watt=J/s=kgm/s^3 |
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RElationship between power, force and velocity
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P=w/t=fd/t=fV
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Equation for momentum
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P=mv
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Newton's second law written in terms of momentum
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Sum of all F=Change in P/Change in T
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Equation for Impulse
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Impulse=FdeltaT
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Equation for conservation of momentum in a collision
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m1v1+m2v2=m1vnaught1+m2vnaught2
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Equation for center of mass
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Xcm=m1x1+m2x2../m1+m2
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Ballistic Pendulum Equation relating A bullet's velocity and Mass to the height a pendulum will rise if the bullet is shot into it
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v=m+M/msquare root of 2gh
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Equation for a head on elastic collision
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v1-v2=vnaught2-vnaught1
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Equation for Torque
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torque=rFperpendicular
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Conditions needed for a body to be in equilibrium
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Sum of All Fx=0 Sum of all Fy=0
torque=0 |
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Bulk Modolus Equation
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B=-delta p/ delta v/Vo
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Pressure as a function of depth
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P=pgh
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Equation of continuity for a flowng liquid
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A1V1=A2V2
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Bernoulli's Equation
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P + 1/2pv1^2+pgy=P2 +1/2pV2^2 +pgy2
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Density and Pressure Definitions
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P=F/a
Density=m/v |
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Relationship between Gauge pressure and absolute pressure
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Sum of all pressure=Pa+Pg
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Pascal's Principle as it applies to hydraulics
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Pressureout=Pressure in
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Value of 1 atmosphere
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1.013 x 10^5N/M
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Equation for the buoyant Force
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Fb=F2-F1
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Torricelli's Theorum for the velocity of a fluid escaping from a container
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V1=Square root of 2g(y2-y1)
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