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scvince (22 cards)
kinetic energy
Kinetic energy is the energy a moving object has because of its motion
Potential energy
Stored energy due to potential is called potential energy
Elastic potential energy
elastic potential energy is energy stored by something that can stretch or compress and such as a rubber band or spring
chemical potential energy
Energy stored in chemical bonds is chemical potential energy
Gravitational potential energy
Anything I can fall has stored energy called gravitational potential energy
Mechanical energy
Is the total amount of potential in kinetic energy in a system and can be expressed by this equation
Law of conservation of energy
States that energy cannot be created or destroyed
work
Is the transfer of energy that occurs when a force makes an object move
Power
Is the amount of work done in one second
Machine
Is a device that makes work easier
Input force
The force that is applied to the machine is called
Output force
The force applied to by the machine is called
Mechanical advantage
The ratio of the output force to the input force is the mechanical advantage of a machine
Efficiency
Is a measure of how much of the work put output a machine is changed into useful and output work by the machine
Simple machine
Is a machine that does work with only one movement of the machine
lever
Is a bar that is free to Pivot or turn around it if it’s point
pulley
Is a grooved wheel with a rope chain or cable running along the groove
Wheel and axle
Is a simple machine consisting of a shaft or axle attached to the center of a larger wheel
Inclined plane
A sloping surface such as a ramp that reduces the amount of force required to work
Screw
Is an inclined plane wrapped in a spiral around a hydraulic post
Wedge
Is an inclined playing with one or more juice sloping sides
Compound machine
Two or more simple machines that operate together
