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Year 12 Physics
For the WACE exams
Question | Answer |
---|---|
Formula for the angle of a bank | tanθ= Fc/g |
Formula for the velocity of something on a bank | v= √rgtanθ |
If velocity is constant then... | apparent weight= normal weight |
Total force= | apparent weight + actual weight |
Formula for the force of an object falling down a slope | F= mgsinθ |
Formula for the acceleration of an object falling down a slope | a= gsinθ |
Formula for centripetal acceleration | a= v²/r = (4π²r)/T² |
What is momentum measured in? | Kg/ms |
What is gravitational field strength measured in? | N/Kg |
What is Kepler's 3rd law? | 4²/GM = T²/r² |
Torque formula | ͳ= Frsinθ |
Torque units | Nm |