An Elevator Is Being Lifted Upward at a Constant Speed

question 25

Multiple Choice

An elevator is being lifted upward at a constant speed by a steel cable. All frictional forces are neglected. In this situation, forces on the elevator are such that

• A) the upward force by the cable is smaller than the downward force of gravity.
• B) the upward force by the cable is equal to the downward force of gravity.
• C) the upward force by the cable is greater than the downward force of gravity.
• D) None of these. (The elevator goes up because the cable is being shortened, not because an upward force is exerted on the elevator by the cable.)

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Definitions:

Hosios Loukas

A historic monastery in Greece, renowned for its Byzantine architecture, mosaics, and significance in the Orthodox Christian tradition.

Pendentives

Architectural elements that allow the placement of a circular dome over a square room or an elliptical dome over a rectangular room by transitioning the shape through triangular sections.

Pantokrator

An iconographic representation of Christ depicted as the ruler of the universe, often seen in Byzantine art.

Christ

Savior. From Latin Christus and Greek Christos, “the anointed one.”