Concept Questions
On a hill where is there the most kinetic energy?
What is the bottom of the hill?
Increasing ______ increases power.
What is time?
What is up an incline?
A car moving at a high speed has a lot of this?
What is kinetic energy?
This is the name of the man who discovered Joules.
Who is James Joule?
What is total energy?
Power is the rate of ____
What is work?
Work can change this.
What is energy?
Total energy is represented by this.
What is kinetic and potential energy?
What is the name of the man who started using the Watt?
Who is James Watt?
This is the value of theta when force and distance are in the same direction.
What is zero?
This is the unit used to measure power.
What is a watt?
The unit used to measure work.
What are joules?
A positive net Work represents this.
What is speeding up?
What is the force that opposes the relative motion of two bodies that are in contact?
What is friction?
This is the force keeping passengers on a roller coaster in place.
What is inertia?
This unit of power is represented by joules over seconds.
What is a watt?
This force can decrease the total amount of work done.
What is friction?
The constant K represents this.
What is the spring constant?
This form of energy is always positive.
What is kinetic energy?
Roller coasters need to move at a high velocity around a loop to prevent this.
What is people falling out of the coaster?
This is how many watts are in a horsepower.
What is 746?
Work increases when ____ or ____ increases.
What are force and distance?
This type of energy is inversely proportional to kinetic energy.
What is potential energy?
This is the reason horsepower was invented.
How to calculate how many horses an engine would replace?