1.Increase the distance from the force to the pivot 2.Increase the force applied
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monster
Reset all scores!
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rocket
Go to first place!
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fairy
Take points!
5
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25
thief
Give points!
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15
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15
The figure shows a man lifting a heavy rock using a steel bar. He pushes downwards on the end of the bar with a force F. Which pivot positions allows the force F to be as small as possible?
A
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15
Which letter shows where you should apply the effort?
A
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10
What are the units for moment
Nm or Newton meter
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boom
Lose 50 points!
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gift
Win 20 points!
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fairy
Take points!
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25
banana
Go to last place!
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25
Calculate the distance of the objects from the fulcrum if the moment is 10 Nm
10 m
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15
How to calculate moment ?
moment = force x distance (from fulcrum)
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15
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10
[True or False] Weight = mass x gravitational force
True
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10
[True or False] Gravitational force on Earth is 10 N/kg