Machines Unit Review

What is a comically involved, overcomplicated invention designed to perfom a simple task?

• Rube Goldberg Machine
• Simple Machine
• Compound Machine
• Time Machine

A motorcycle is a simple machine.

• True
• False

What is the equation to calculate the amount of work?

• work = force applied x distance
• work = distance / time
• work = force applied + resistance
• work = force applied + distance

What do we call a machine combining two or more simple machines?

• compound machine
• multiple simple machines
• alive
• silly inventions

Which simple machine has a spiral form?

• screw
• pulley
• wedge
• lever

What is a wheel with a grooved rim for carrying a line that serves to transmit force?

• pulley
• wheel and axle
• wedge
• inclined plane

Simple machines decrease the amount of work done.

• True
• False

A simple machine can't do which of these things?

• change the amount of work
• change the amount of applied force
• change the amount of effort
• change the direction of force

What is the amount of force you apply for a specified purpose?

• effort
• work
• aggression
• action

Which form of energy is stored by a person standing at the top of the stairs?

• thermal
• electrical
• chemcial
• gravitational