Study Guide for Unit 5/6 Test
Work
- Definition
- Equation
- Units
- Relationship to direction of force
- Work-Energy Theorem
Power
- Definition
- Equation
- Units
- Conversion to horsepower
Energy- Gravitational Potential, Kinetic, Elastic Potential
- Definition
- Equation
- Units
- What happens to Ug if height increases?
- What happens to K if velocity is tripled?
- How much elastic potential energy does a spring have if it is uncompressed or un-stretched (in other words: @ equilibrium)?
- If spring A has a higher spring constant than spring B, which spring has greater stiffness?
- How is the spring constant determined from a Force vs. Elongation graph?
- Equation for this: F=kx
Conservation of Energy
- Definition
- Ugi + Ki + Usi = Ugf + Kf + Usf
- Know how to convert from one type of energy to another
Momentum
- Definition
- Equation
- Units
- Impulse Definition
- Impulse Equation
- Determine impulse from a Force vs. Time graph
- How did "soft hands" affect the egg's impulse or ΔP in the egg toss?
- What is the momentum of an object at rest?
Conservation of Momentum
- Definition
- mAvAi + mBvBi = mAvAF + mBvBf
- If two moving objects collide and end at rest, what is true of the magnitude of their momenta?
- If a quarterback throws a football to a receiver who catches it and runs with it, what is the relationship between the velocities of the receiver and football after he catches it?
- What does a negative momentum indicate?
Work
- Definition
- Equation
- Units
- Relationship to direction of force
- Work-Energy Theorem
Power
- Definition
- Equation
- Units
- Conversion to horsepower
Energy- Gravitational Potential, Kinetic, Elastic Potential
- Definition
- Equation
- Units
- What happens to Ug if height increases?
- What happens to K if velocity is tripled?
- How much elastic potential energy does a spring have if it is uncompressed or un-stretched (in other words: @ equilibrium)?
- If spring A has a higher spring constant than spring B, which spring has greater stiffness?
- How is the spring constant determined from a Force vs. Elongation graph?
- Equation for this: F=kx
Conservation of Energy
- Definition
- Ugi + Ki + Usi = Ugf + Kf + Usf
- Know how to convert from one type of energy to another
Momentum
- Definition
- Equation
- Units
- Impulse Definition
- Impulse Equation
- Determine impulse from a Force vs. Time graph
- How did "soft hands" affect the egg's impulse or ΔP in the egg toss?
- What is the momentum of an object at rest?
Conservation of Momentum
- Definition
- mAvAi + mBvBi = mAvAF + mBvBf
- If two moving objects collide and end at rest, what is true of the magnitude of their momenta?
- If a quarterback throws a football to a receiver who catches it and runs with it, what is the relationship between the velocities of the receiver and football after he catches it?
- What does a negative momentum indicate?