A trolley is a simple machine with wheels and axles. Moving heavy loads is made easier by the wheel and axle system, which lowers friction.
By enabling objects to be moved over a flat or inclined surface with less force, a trolley illustrates mechanical advantage and efficiency concepts in physics.
In everyday life, trolleys are frequently found in places like supermarkets, airports, and workshops, demonstrating the usefulness of basic devices in reducing labor.
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No
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.
No
No
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
It's a simple machine.