Motion and Simple Machines

Front

What is the unit of work?

Back

Joule

Front

An ax, a zipper and a front tooth are examples of a simple machine called a

Back

Wedge

Front

__________ form a compound simple machine with one toothed wheel and axle linked to another toothed wheel and axle. Options: Levers, Gears, Inclined planes, Screws

Back

Gears

Front

The fixed point that a lever rotates around is called a(n)

Back

Fulcrum

Front

Which of the following is NOT a type of pulley? Compound pulley, Adjustable pulley, Moveable pulley, Fixed pulley

Back

Adjustable pulley

Front

Newton’s first law of motion states that

Back

An object in motion stays in motion and an object at rest stays at rest unless acted upon by an unbalanced force.

Front

Speed of an airplane that moves 150 meters in 3 seconds? Use Speed = Distance/Time

Back

50 m/s

Front

A car traveling at 25 m/s speeds up to 40 m/s over a period of 15 seconds. This is an example of

Back

Acceleration

Front

How many centimeters are in 1 meter?

Back

100

Front

Trish wants to use a brick and rope to raise her lunchbox. Which simple machine should she use?

Back

A pulley