Energy
This is considered stored chemical energy.
What is sugar(glucose)/fuel/ATP?
W=F?
What is Distance?
A machines ability to increase force is described as this.
What is mechanical advantage?
The ratio of output work to input work and is often measured in a percent.
What is efficiency?
Energy of a stretched rubber band or compressed spring is this type of energy.
What is elastic potential energy?
Power is the rate at which _________ is converted.
What is energy?
This simple machine takes less force to change an object's height than the force required without it.
What is an inclined plane?
This simple machine is what an axe is known as and it changes the direction of forces.
What is a wedge?
The type of energy that refers to differences in heat and temp. is this.
What is thermal energy?
Electrical energy can be stored in this common household item.
What is a battery?
Power is measured in this unit, often describes the Power in a light bulb.
What are watts?
Cranes and elevators use these simple machines to change the direction of forces to lift heavy objects with a counterweight.
What is a pulley?
WD-40 or lubricant would decrease this on a hinge.
What is friction?
Light energy is referred to as this type of energy. Can serve as a compliment to people.
What is radiant energy?
Energy of an object in motion is known as this.
What is kinetic energy?
energy is measured in these units.
What are joules?
The ability to cause change or do work is simply described as this.
What is energy?
The screw and wedge are modified versions of this simple machine.
What is an inclined plane?
This is never created nor destroyed, it just keeps changing forms.
What is energy?
A car driving will use these 3 types of energy in order to move.
Describe the levels of Kinetic energy and Gravitational potential energy for a book sitting on the top of a shelf.
GPE is high
Kinetic is low since book is not moving.
Threads that are closer together in these simple machines make the output force greater than the input force.
What is a screw?
This machine works due to move an object more easily by decreasing friction.
What is wheel and axle?
This common school tool combines 2 wedges and 2 levers.
What are scissors?
If you changed mass or height of an object from the ground you would be changing this measurement.
What is GPE?