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To make a load easier to lift, I should move my effort farther from the fulcrum.
true
true
the number of ropes that support the load.
3
move it closer to the fulcrum
1
1/4
1
How can you adjust the load on a lever to make the effort less?
true
true
the number of ropes that support the load.
3
move it closer to the fulcrum
1
1/4
1
As effort decreases with a pulley, the length the rope must be pulled increases.
true
true
the number of ropes that support the load.
3
move it closer to the fulcrum
1
1/4
1
If a pulley system has 4 ropes supporting it, how much effort is needed to lift the load?
true
true
the number of ropes that support the load.
3
move it closer to the fulcrum
1
1/4
1
A wrench is an example of a class ____ lever.
true
true
the number of ropes that support the load.
3
move it closer to the fulcrum
1
1/4
1
A class ___ lever has the fulcrum in the middle.
true
true
the number of ropes that support the load.
3
move it closer to the fulcrum
1
1/4
1
You can predict the effort needed to lift a load by knowing the weight of the load AND...
true
true
the number of ropes that support the load.
3
move it closer to the fulcrum
1
1/4
1
A broom is an example of a class ___ lever.
true
true
the number of ropes that support the load.
3
move it closer to the fulcrum
1
1/4
1
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