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Match it!
Match it! Select the correct answer from the pull down...Good luck!
Which one of the following is NOT an example of work being done?
decreased
lever
decreases the force required and changes the direction of the force required
a compound machine
force
decrease force
remains the same
pulling a sled across a field covered with snow
A fixed single pulley that is used to lift a block does which one of the following?
decreased
lever
decreases the force required and changes the direction of the force required
a compound machine
force
decrease force
remains the same
pulling a sled across a field covered with snow
A bar that is free to pivot about a fixed point is a _____________ .
decreased
lever
decreases the force required and changes the direction of the force required
a compound machine
force
decrease force
remains the same
pulling a sled across a field covered with snow
A lever with a mechanical adantage greater than 1 is used to ____________________.
decreased
lever
decreases the force required and changes the direction of the force required
a compound machine
force
decrease force
remains the same
pulling a sled across a field covered with snow
A slanted surface used to raise an object is a (n) _______________.
decreased
lever
decreases the force required and changes the direction of the force required
a compound machine
force
decrease force
remains the same
pulling a sled across a field covered with snow
x
decreased
lever
decreases the force required and changes the direction of the force required
a compound machine
force
decrease force
remains the same
pulling a sled across a field covered with snow
As an object sinks in a fluid, the buoyant force _______________.
decreased
lever
decreases the force required and changes the direction of the force required
a compound machine
force
decrease force
remains the same
pulling a sled across a field covered with snow
When two or more simple machines work together, they are called a (n) ________________.
decreased
lever
decreases the force required and changes the direction of the force required
a compound machine
force
decrease force
remains the same
pulling a sled across a field covered with snow
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