15) A 2N force is used to push a small piston 10 cm downward in a simple hydraulic machine. If the opposite large piston rises by 0.5 cm, what is the maximum weight the large piston can lift? int: p.508 Physics book a) 2 b) 40 c) 20 d) 4 e) 1

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15) A 2N force is used to push a small piston 10 cm downward in a simple
hydraulic machine. If the opposite large piston rises by 0.5 cm, what is the
maximum weight the large piston can lift?
Hint: p.508 Physics book
a) 2 b) 40
a) 87%
c) 20
b) 13%
d) 4
16) Balsa wood with an average density of 130 kg/m³ is floating in pure wat
What percentage of the wood is submerged?
e) 1
c) 50%
d) 25%
e) 5%
A river narrows at the rapids from a width of 12 m to a width of onl
th of the river before the rapid is 3 m, the depth of the rapids is 1
ation of continuity, find the speed of the river in the rapids. Assum
1 m/s before the rapids.
Supply numerical answer
Transcribed Image Text:15) A 2N force is used to push a small piston 10 cm downward in a simple hydraulic machine. If the opposite large piston rises by 0.5 cm, what is the maximum weight the large piston can lift? Hint: p.508 Physics book a) 2 b) 40 a) 87% c) 20 b) 13% d) 4 16) Balsa wood with an average density of 130 kg/m³ is floating in pure wat What percentage of the wood is submerged? e) 1 c) 50% d) 25% e) 5% A river narrows at the rapids from a width of 12 m to a width of onl th of the river before the rapid is 3 m, the depth of the rapids is 1 ation of continuity, find the speed of the river in the rapids. Assum 1 m/s before the rapids. Supply numerical answer
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