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Which simple machine would be the most efficient for loading something onto the back of a truck
potential energy changing into kinetic energy.
calm weather as air sinks
inclined plane
by decreasing the effort necessary to raise an object
by causing warm air to rise and cold air to sink
The magnet will provide an unbalanced force, pulling the staples toward it
chemical
plastic, because friction will be low
Which form of energy does a person convert into mechanical energy?
potential energy changing into kinetic energy.
calm weather as air sinks
inclined plane
by decreasing the effort necessary to raise an object
by causing warm air to rise and cold air to sink
The magnet will provide an unbalanced force, pulling the staples toward it
chemical
plastic, because friction will be low
How can a pulley make work easier?
potential energy changing into kinetic energy.
calm weather as air sinks
inclined plane
by decreasing the effort necessary to raise an object
by causing warm air to rise and cold air to sink
The magnet will provide an unbalanced force, pulling the staples toward it
chemical
plastic, because friction will be low
How does the convection of air produce thunderstorms?
potential energy changing into kinetic energy.
calm weather as air sinks
inclined plane
by decreasing the effort necessary to raise an object
by causing warm air to rise and cold air to sink
The magnet will provide an unbalanced force, pulling the staples toward it
chemical
plastic, because friction will be low
If Bob wants to build a water slide, what should he make it out of so that he travels the fastest?
potential energy changing into kinetic energy.
calm weather as air sinks
inclined plane
by decreasing the effort necessary to raise an object
by causing warm air to rise and cold air to sink
The magnet will provide an unbalanced force, pulling the staples toward it
chemical
plastic, because friction will be low
As a race car travels down a hill, which type of change in energy allows it to speed up?
potential energy changing into kinetic energy.
calm weather as air sinks
inclined plane
by decreasing the effort necessary to raise an object
by causing warm air to rise and cold air to sink
The magnet will provide an unbalanced force, pulling the staples toward it
chemical
plastic, because friction will be low
A high pressure system can cause...
potential energy changing into kinetic energy.
calm weather as air sinks
inclined plane
by decreasing the effort necessary to raise an object
by causing warm air to rise and cold air to sink
The magnet will provide an unbalanced force, pulling the staples toward it
chemical
plastic, because friction will be low
If a magnet is placed near a pile of steel staples, which will most likely occur?
potential energy changing into kinetic energy.
calm weather as air sinks
inclined plane
by decreasing the effort necessary to raise an object
by causing warm air to rise and cold air to sink
The magnet will provide an unbalanced force, pulling the staples toward it
chemical
plastic, because friction will be low
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Match it!
Match it!