A marshmallow catapult is a type of lever, which is a simple machine that helps to lift or move objects with less force. The lever in the catapult allows for the marshmallow to be launched by applying a force on one end.
A catapult is a type of lever because it uses a fulcrum or pivot point to launch the projectile. The pivot point in a catapult is called the "fulcrum".
A roof is not a simple machine. It is a structure built to provide shelter and protection from the elements.
A pin is classified as a type of fastener and not a simple machine. It is often used to secure two materials together.
A tack is a type of wedge, which is a simple machine that is used to push things apart or hold things together.
A projector screen is a type of lever simple machine when it is manually pulled down or rolled up. It can also be considered a pulley simple machine if it is motorized to retract or extend the screen.
A catapult is actually a compound machine.
A catapult is a type of lever because it uses a fulcrum or pivot point to launch the projectile. The pivot point in a catapult is called the "fulcrum".
a lever
A pulley isn't a kind of simple machine, it is a simple machine
A train is not a simple machine.
IT's NOT A SIMPLE MACHINE!
its not a simple machine
It is a simple lever.
Rope is not a simple machine on its own, it's a simple machine on a wheel and axle, then it's a pulley.
a compound machine is a combination of simple machines
lever
lever