A seesaw is unbalanced with two people of different masses sitting equal distances from the center. How can we make the seesaw balanced ?
Moving the smaller person further from the center.
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lifesaver
Give 15 points!
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rocket
Go to first place!
Okay!
shark
Other team loses 25 points!
Okay!
lifesaver
Give 20 points!
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15
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a-C b-A
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15
How to calculate moment ?
Moment = Force x Distance(from the pivot)
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15
A simple machine which consists of a beam resting on a pivot that help us carry heavy objects is called ________
A lever
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thief
Give points!
5
10
15
20
25
magnet
Take 20 points!
Okay!
gift
Win 10 points!
Okay!
thief
Give points!
5
10
15
20
25
thief
Give points!
5
10
15
20
25
fairy
Take points!
5
10
15
20
25
gift
Win 20 points!
Okay!
banana
Go to last place!
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15
In a balanced seesaw the total clockwise moment = total anticlockwise moment .True or False
True
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seesaw
Swap points!
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magnet
Take 15 points!
Okay!
shark
Other team loses 15 points!
Okay!
lifesaver
Give 25 points!
Oops!
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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20
How can we increase the moment ?
1.Increase the distance from the force to the pivot 2.Increase the force applied