Chapter 19 Vocabulary Quiz

The force exerted on a machine is called:

• Input Force

• Mechanical Advantage

• Input Work

• Power

Tags

PS.7.2.4

A unit of work equal to one newton per meter is known as:

• Work

• Power

• Joule

• Watt

Tags

PS.7.2.3

The number of times a machine increases a force exerted on it is called:

• Compound Machine

• Power

• Mechanical Advantage

• Efficiency

Tags

PS.7.2.4

The fixed point around which a lever pivots

• Wedge

• Screw

• Fulcrum

• Lever

Tags

PS.7.2.4

A device that combines two or more simple machines

• Inclined plane

• Mechanical advantage

• Wheel and axle

• Compound machine

Tags

PS.7.2.4

The percentage of the input work that is converted to the output work

• Mechanical Advantage

• Efficiency

• Work

• Output Work

Tags

PS.7.2.4

A simple machine that is an inclined plane wrapped around a central cylinder to form a spiral

• Pulley

• Screw

• Wedge

• Lever

Tags

PS.7.2.4

A simple machine that consists of a rigid bar that pivots about a fixed point

• Pulley

• Screw

• Wedge

• Lever

Tags

PS.7.2.4

What is a simple machine that is an inclined plane that moves?

• Pulley

• Lever

• Wedge

• Wheel and axle

Tags

PS.7.2.4

Which simple machine consists of a grooved wheel with a rope or cable wrapped around it?

• Pulley

• Lever

• Inclined Plane

• Screw

Tags

PS.7.2.4