[True or False] Weight = mass x gravitational force
True
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15
Define " Moment "
it's a turning effect
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15
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15
Which letter is the pivot?
B
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15
How to calculate moment ?
moment = force x distance (from fulcrum)
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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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baam
Lose 10 points!
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shark
Other team loses 20 points!
Okay!
fairy
Take points!
5
10
15
20
25
baam
Lose 25 points!
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trap
No points!
Oops!
seesaw
Swap points!
Okay!
rocket
Go to first place!
Okay!
banana
Go to last place!
Oops!
heart
Other team wins 20 points!
Oops!
shark
Other team loses 10 points!
Okay!
gift
Win 10 points!
Okay!
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
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15
A seesaw is unbalanced with two people of different masses sitting equal distances from the fulcrum. How we can move the smaller mass to make the seesaw balanced? closer to the fulcrum or further to the fulcrum?
further from the fulcrum
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25
calculate the moment
force x distance = 6 Nm
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10
[True or False] Gravitational force on Earth is 10 N/kg