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Aleksandr [31]
3 years ago
7

Imagine standing on a bathroom scale and reading your weight. now lift one foot and read your weight again. does the scale read

more, less or the same weight when you are standing on one foot?
Physics
2 answers:
7nadin3 [17]3 years ago
8 0
Less because now there is less force on the scale and you are unbalanced. Therefore the scale will have a lower number then before.

Vedmedyk [2.9K]3 years ago
3 0

Answer:B

Explanation: Because the weight will be greater with one leg lifted up in the air, it will make the weight more.

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3 0
3 years ago
hydraulic lift is to be used to lift a 2100-kg weight by putting a weight of 25 kg on a piston with a diameter of 10 cm. Determi
trasher [3.6K]

Answer:

840 cm

Explanation:

Note: A hydraulic press operate based on pascal's principle.

From pascal's principle

W₁/d₁ = W₂/d₂...................... Equation 1

Where W₁ and W₂ are the first and second weight, and d₁ and d₂ are the  first and second diameter of the piston.

make d₁ the subject of the equation

d₁ = W₁×d₂/W₂................ Equation 2

Given: W₁ = 2100 kg, W₂ = 25 kg, d₂ = 10 cm = 0.1 m.

Substitute these values into equation 2

d₁ = 2100(0.1)/25

d₁ = 8.4 m

d₁ = 840 cm

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