A Shopper Steps on an Escalator Moving Downward at a Constant

question 45

Multiple Choice

A shopper steps on an escalator moving downward at a constant speed toward the bargain basement in a large department store.On his way down,the normal force exerted on him by the step of the escalator is

• A)greater than his weight when he is off the escalator.
• B)equal to his weight when he is off the escalator.
• C)less than his weight when he is off the escalator.
• D)dependent on how fast the escalator is moving.
• E)unknown; insufficient information is given to answer correctly.

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Definitions:

Level of Illumination

The intensity of light present in a particular environment, affecting visibility, comfort, and performance of visual tasks.

Workplace Hazard

Any potential source of harm or adverse health effect on a person or persons within a workplace.

Loose Clothing

Garments that are not tightly fitted and can easily become entangled in machinery or equipment, posing a safety hazard.

Bright Lighting

Refers to environments or settings that are illuminated strongly or more intensely, which could affect mood, productivity, or energy levels.