Physic equations

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1. What is the equation for momentum?
p=mv or ma
2. What is the equation for energy?
E=Pt
3. What is this equation used for?
P=F⁄A
Pressure
4. What is this equation used for?
M=fd
Moment of a force
5. What is the equation for mechanical advantage?
• MA=output
•        input
6. What are the equations of motion?
• v= u+at
• s= ½(u+v)t
• s=ut +½at²
• v²= u² +2as
7. What are the equations for kinetic and potential energy?
• EK= ½mv²
• EP= mgh
8. What is the equation for density?
density(rho)=mass⁄Volume
9. What is hookes law and what are the units and symbols?
• F=ke
• F= force(N)
• k= spring constant(N/m)
• e= extension of spring(m)
10. What is the equation for weight?
W= mg
11. What is this equation used for?
a=v-u/t
acceleration
12. What are the equations for efficiency?
• Efficiency(%)= work output
•                       energy input
• Efficiencyw/o% = work output
•                          energy input
• Efficiency= power output
•                  power input
13. What is the equation for power?
• P=work done(fd)
•         time
14. What are the equations for relative density?
• relative density(ρ⋎) = mass of substance
•                           mass of water
• relative density = density of substance
•                           density of water
15. What is this equation used for?
v=m
s
velocity
16. What is the equation for impulse?
Ft = mv
17. What is the equation for pressure in liquid?
ρgh
18. What is the equation for work done?
work done = fd

Card Set Information

 Author: giavanna14 ID: 314349 Filename: Physic equations Updated: 2017-03-28 23:48:06 Tags: equations physics Folders: sciences Description: equations used in physics Show Answers:

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