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julia-pushkina [17]
3 years ago
6

When You lift a load, the resistance force is ? A. magnetism b. gravity

Physics
2 answers:
IceJOKER [234]3 years ago
8 0
The answer to the question is gravity
B
serious [3.7K]3 years ago
5 0

Answer:

B gravity

Explanation:

when you lift a load you feel that the load is heavy the load becomes heavy due to gravitational force that pulls the load towards it

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The third floor of a house is 8m above street level. How much work is needed to move a 136kg refrigerator to the third floor?
jonny [76]

m = Mass of the refrigerator to be moved to third floor = 136 kg

g = Acceleration due to gravity by earth on the refrigerator being moved = 9.8 m/s²

h = Height to which the refrigerator is moved  = 8 m

W = Work done in lifting the object

Work done in lifting the object is same as the gravitational potential energy gained by the refrigerator. hence

Work done = Gravitation potential energy of refrigerator

W = m g h

inserting the values

W = (136) (9.8) (8)

W = 10662.4 J



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jek_recluse [69]
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Amazon rectangular bar of low carbon steel A-36 is exposed to an axial strees of 150 MPa. What is the original length of the bar
kolbaska11 [484]

Answer:

1.8m

Explanation:

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\epsilon = \frac{\Delta L}{L}

L = \frac{\Delta L}{\epsilon} = \frac{1.35}{0.00075} = 1800 mm or 1.8m

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Answer: When fire stopping material is used where more than 2 non-metallic sheathed cables pass through wood framing members, their ampacities must be adjusted, according to 310.15"

Answer is 2

8 0
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Why is it so good for scientists to be skeptical
IceJOKER [234]
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