8th Energy and Machines

When you perform work on an object, you change the energy of the object.

• True

• False

Under certain conditions, it is possible to get more force out of a machine than you put into it.

• True

• False

Power is the rate at which work is done.

• True

• False

Ratio of output force to input force

• effort

• potential

• mechanical advantage

• load

Force you apply to a simple machine

• effort

• kinetic

• compound machine

• load

Force you overcome when using a simple machine

• Effort

• Potential

• Mechanical Advantage

• Load

Device made of more than one simple machine

• Potential

• Mechanical Advantage

• Compound Machine

• Kinetic

Energy of position

• Mechanical Advantage

• Effort

• Load

• Kinetic

Energy of motion

• Kinetic

• Load

• Potential

• Effort

Knife

• Wedge

• Screw

• Lever

• Inclined plane