A 75-Kg Man Rides an Elevator Which Is Accelerating Upward

question 77

Multiple Choice

A 75-kg man rides an elevator which is accelerating upward with a uniform acceleration of 1.4 m/s².What is the maximum force of static friction if the coefficient of friction between him and the floor is 0.42?

• A)260 N
• B)310 N
• C)350 N
• D)840 N

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Definitions:

Accommodation

In psychology, the process of adapting cognitive schemas to incorporate new information.

Assimilation

The process by which an individual or group adopts the cultural traits or social patterns of another group.

Piaget's Concept

A theory by Jean Piaget that describes the cognitive development of children in stages, focusing on how they acquire knowledge and understanding of the world.

Evolutionary Theorist

A scholar who studies and develops concepts about the processes by which organisms change over generations through variations in traits.