A 400-Kg Box Is Lifted Vertically Upward with Constant Velocity

question 30

Multiple Choice

A 400-kg box is lifted vertically upward with constant velocity by means of two cables pulling at 40.0° on either side of the vertical direction.What is the tension in each cable?

• A)231 N
• B)400 N
• C)800 N
• D)2560 N
• E)3920 N

Understand the structural and functional characteristics of transmembrane proteins, including the impacts of hydrophilic side chain removal.

Describe the purpose and outcomes of the freeze-fracturing technique in studying membrane proteins.

Recognize the roles of specific molecules such as glycoproteins in cell-cell recognition and interactions.

Comprehend the mechanisms enabling the rapid spread of electrical currents in specialized cells through specific cellular junctions.

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