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What happens to power if the force applied to an object increases, assuming velocity remains constant?
The power increases proportionally, as indicated by the formula $P = \vec{F} \cdot \vec{v}$.
What happens to power if the time taken to do a certain amount of work decreases?
The power increases, because power is inversely proportional to time ($P = \frac{dW}{dt}$).
What happens to the power if the angle between force and velocity is 90 degrees?
The power is zero, because the dot product of force and velocity is zero when they are perpendicular.
What is the definition of Power?
The rate at which energy is transferred or transformed.
What is the definition of Average Power?
The average rate at which energy is transferred or converted over a time interval.
What is the definition of Instantaneous Power?
The power at a specific moment in time.
Define Work in Physics.
Energy transferred by a force acting over a distance.
What is a Watt?
The SI unit of power, equivalent to one joule per second (1 W = 1 J/s).
What are the differences between Average Power and Instantaneous Power?
Average Power: Rate of energy transfer over a time interval. | Instantaneous Power: Rate of energy transfer at a specific moment.
Compare calculating power using energy vs. work.
Energy: $P = \frac{\Delta E}{\Delta t}$, focuses on the change in energy. | Work: $P = \frac{W}{\Delta t}$, focuses on the work done during energy transfer.