Force, Motion, Simple and Compound Machines

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

• wheel and axle

• wedge

• screw

• inclined plane

When two or more simple machines work together, they become a -

• combined machine

• compound machine

• complex machine

• constructed machine

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

The net force is --

• all the friction used to stop the motion of an object

• the total amount of gravity working to pull an object

• the combination of all forces on an object

• an absence of forces between objects

Tags

NGSS.MS-PS2-2

A wedge would best be used to --

• move an object faster

• lift a heavy object

• split a log

• move a large object from a truck

Which two people are using a compound machine?

• 
• 
• 
• 

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

• Inclined plane

• Screwdriver

• Wedge

• Lever

A wheel and axle makes it easier to --

• lift heavy objects

• cut or split objects

• move or turn things

• hold things together

Tags

NGSS.MS-PS2-2

Which is an example of gravity acting as a pulling force?

• A

• B

• C

• D

Tags

NGSS.MS-PS2-4

This playground has several examples of a simple machine. The arrows are pointing to - -

• screws

• wedges

• inclined planes

• levers