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15
×
What is the function of movable pulley?
To reduce the effort needed to move a load
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15
×
Less .......... is needed if we use an inclined plane to reach a higher lever.
effort
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×
seesaw
Swap points!
Oops!
×
gift
Win 15 points!
Okay!
×
rocket
Go to first place!
Okay!
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banana
Go to last place!
Oops!
15
×
What's the name of this example of an inclined plane?
A ramp
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15
×
If the smaller gear turn in a clockwisse direction, in what direction will the bigger gear turn?
Anti-clockwise direction
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15
×
Point out which one is the wheel and axle!
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15
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Draw which one shows the wheel and axle!
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seesaw
Swap points!
Oops!
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shark
Other team loses 20 points!
Okay!
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rocket
Go to first place!
Okay!
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lifesaver
Give 25 points!
Oops!
15
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What is the function of first-class and second-class levers?
to multiply the force applied (effort) to produce a greater force.
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15
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What is the typle of simple machine with a sloping surface?
Inclined plane
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15
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What happens to the bigger gear when we turn the smaller gear?
the bigger gear will also turn but in the opposite direction.
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15
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What can you conclude about this way to reduce the effort to lift the load?
The effort to lft the load is reduced when a longer lever is used.
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15
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A pulley system used on ship is usally called ... and ...
a block and takle
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15
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What was done to enable the load to be lifted in Diagram D?
A longer lever was used to lift the load.
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15
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What is the type of simple machines of this tools? Identify the effort, fulcrum and load!
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thief
Give points!
5
10
15
20
25
×
gift
Win 10 points!
Okay!
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shark
Other team loses 5 points!
Okay!
×
thief
Give points!
5
10
15
20
25
×
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