Simple Machines Quiz

Which of the following is an example of a first class lever?

• A. seesaw

• B. wheelbarrow

• C. baseball bat

• D. ramp

In a wheel and axle simple machine, when the axle moves faster than the wheel, the work ____________________.

• A. becomes harder

• B. stays the same in difficulty

• C. becomes easier

• D. There is not enough data to answer this question.

Tags

NGSS.MS-PS3-5

Which machine would be best to use if you wanted to lift a very heavy load?

• A. screw

• B. inclined plane

• C. wedge

• D. lever

Tags

NGSS.MS-ETS1-2

Which of the following is NOT an example of a lever?

• A. wheelbarrow

• B. seesaw

• C. ramp

• D. baseball bat

How does adding a second pulley to a system change the force needed?

• It cuts the force needed in half.

• It doubles the force needed.

• The force needed isn’t changed.

• It triples the force needed.

The ____ the wedge, the easier the work.

• thinner

• thicker

• wider

• shorter

A knife is an example of a(n) _______________.

• screw

• inclined plane

• wedge

• lever

A screw with ____ distance between the threads creates easier work.

• less

• more

• varying

• double

Tags

NGSS.MS-PS2-2

How are the three classes of levers different from each other? Use examples of each to support your answer.

Describe two ways that simple machines help make work easier.

Tags

NGSS.MS-ETS1-2