Vocabulary
Is work done parallel to or perpendicular to the force applied?
What is parallel
A diver on top of a diving board is an example of ______________________ energy.
What is gravitational potential energy
Two students (A&B) who are similar in size walk up the same set of stairs. They are doing _________________ amount of work. But A walks twice as fast.
What is the same!
The two factors of power are work and ________________.
What is time.
How much power does a it take to raise a 3 kg ball 3 m in 2 seconds?
What is 44.1 watts?
Stored energy
What is potential energy
A car rolling down a hill is an example of _____________________ energy.
What is kinetic energy
Two students (A&B) who are similar in size walk up the same set of stairs. But A walks twice as fast. Who is more powerful?
What is A?
Power is measured in _____________________.
What is watts.
How mush work does a person, 30 kg, do walking 2 m?
What is 588 J?
The units of energy and work
What is Joules
A person skiing down a slope is ______________________ potential energy, and ____________________ kinetic energy.
What is losing potential energy and gaining kinetic energy
Holding a stack of books - work or not?
What is not doing work
The _________________ amount of time it takes to do work, the more power is produced.
What is shorter
At the bottom of a hill a ball, .5 kg, is going 15 m/s how tall was the hill?
What is 11.5 m?
The energy of a moving object
What is Kinetic Energy
Energy is
What is the ability to do work
Renatta Gass is out with her friends. Misfortune occurs and Renatta and her friends find themselves getting a workout. They apply a cumulative force of 1080 N to push the car 218 m to the nearest fuel station. Determine the work done on the car.
What is 235,440 Joules?
Two cars that weigh the same race up the hill. Car 1 gets there twice as fast as Car 2. Which car had more power?
What is car 1
A 3 kg book is dropped from 1.5 meters above the ground. How much kinetic energy does it have when it reaches the ground?
What is 44.1 Joules
How much work is performed in a certain amount of time
What is power
On the way down a Newtons cradle gains ___________ and loses _______________.
What is gain kinetic lose potential energy.
A monster truck and a golf cart climb up the same hill. Which does more work
What is the monster truck - because it weighs more!
A crane lifts a load of steel that weighs 1905 N a distance of 100 m. It takes 5 minutes to complete the task. How much power does the crane produce?
What is 635?
A 3 kg book is dropped from 1.5 meters above the ground. How fast is it going when right before it hits the ground?
What is 5.4 m/s?