A Person Who Normally Weighs 700 N Is Riding in an Elevator

question 14

Multiple Choice

A person who normally weighs 700 N is riding in an elevator that is moving upward but slowing down at a steady rate. If this person is standing on a bathroom scale inside the elevator, what
Would the scale read?

• A) 700 N
• B) less than 700 N
• C) more than 700 N
• D) It could be more or less than 700 N, depending on whether the magnitude of the acceleration is greater than or less than 9.8 m/s².

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Definitions:

Tibialis Anterior

A muscle in the lower leg that dorsiflexes and inverts the foot, playing a key role in walking and running.

Quadriceps Group

A muscle group located in the front of the thigh, responsible for extending the knee and composed of four muscles.

Vastus Lateralis

A large muscle on the side of the thigh, part of the quadriceps group, crucial for extending the knee.

Rectus Femoris

A muscle in the quadriceps that extends the knee and flexes the thigh at the hip.