Potential Energy PE
The formula for PE.
What is PE = mgh?
A beam and fulcrum.
What is a lever?
Two or more simple machines working together to complete some function.
What is a compound machine?
The formula for effectiveness.
What is distance/input energy?
The day form 4 is due.
What is Friday March 13th?
What are Joules?
Is used as a ramp?
What is an inclined plane?
The simple machines that make up a pair of scissors.
What are 2 levers and a screw?
The effectiveness of a machine with input energy of 2J that launchs a pingpong ball 1 m?
What is 1/2?
The amount of points form 4 is worth.
What is 80?
The acceleration of gravity.
What is 10 m/s2?
Tightens and holds 2 parts together by twisting.
What is a screw?
The simple machines that make of a fishing pole.
What are a wheel, axle, lever and pulley?
The effectiveness of a machine that has an input energy of 1 J and launches the pingpong ball 1.5 m.
What is 1.5?
The number of forms that still need to be completed.
What is 4 forms?
The potential energy of a 5 kg mass that is 5 m above the ground.
What is 250 J?
A wheel with a grooved rim around which a rope or string passes. It acts to change the direction of a force applied to the rope or string.
What is a pulley.
The simple machines that make up a wheelbarrow.
What are two levers, a wheel and axle?
The effectiveness of a machine with an input energy of 3 m that launches a pingpong ball 2 m.
What is 2/3?
The total points this project is worth.
What is 200?
The potential energy of a 0.25 kg mass that is 4 m above the ground.
What is 10 J?
Changes the direction of force or multiplies the force.
What is a simple machine?
The simple machines that make up a crane.
What are a lever, pulley, screws, wheels, and axles?
The effectiveness of a machine with an input energy of 5 J that launches a pingpong ball 10 m?
What is 1/2?
The day of the district competition.
What is March 26th?