Force, Motion & Simple Machines

A simple machine that acts like a ramp

• inclined plane

• Taco Bell

• pulley

A simple machine found on a skateboard

• motion

• wheel and axle

• a school bus

This type of simple machine is used to raise and lower a flag on a flagpole.

• Mr. Windsor

• a pulley

• speed

A simple machine where you use force to push down one end and the other end lifts up

• screw

• lever

• trampoline

The bottle top is held in place using which simple machine.

• inclined plane

• wedge

• wheel and axle

• screw

All of the objects above use simple machines made of

• two inclined planes

• a stiff bar attached to a pulley

• a flat surface

• a rod attached to a wheel

Firefighters use many tools to help people in need. What is the firefighter using to help open this car door?

• Lever

• Screwdriver

• Inclined plane

• Wedge

A push or pull that can move an object is a

• fulcrum
• force
• machine
• lever

Two friends, Sara and Ben, want to play on the seasaw. Each friend weighs the same amount. What will most likely happen when they get on the seasaw?

• Sara and Ben won't move because the forces are balanced.

• Sara and Ben won't move because the forces are unbalanced.

• Sara will go up and Ben will go down.

• Ben will go up and Sara will go down.

Ms. Heimerich's class of students, all 28 of them, are going to play tug-a-war with Ms. Heimerich at recess today. What will most likely happen when everyone tugs on the rope?

• Ms. Heimerich will win because she is older.

• The students will win because they are younger.

• The students will win because they are 28 people pulling on the rope causing the force to be unbalanced.

• Ms. Heimerich will win because she will be able to pull with a greater force than 28 students causing the force to be unbalanced.