Figure N-6 -Two 50-N Weights Pull on the Scale as Shown. the Scale

question 196

Multiple Choice

Figure N-6

-Two 50-N weights pull on the scale as shown. The reading on the scale is

• A)0 N.
• B)25 N.
• C)50 N.
• D)100 N. This is clearer to understand if we think of the situation this way:
• E)Since no acceleration is taking place, the forces cancel one another.
• F)One of the weights "holds" the scale while the other weight stretches the spring.
• G)The two hanging weights provide forces that constitute an action/reaction pair.

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Definitions:

Human Skeleton

The internal framework of the body, composed of 206 bones in adults, which supports and protects the body's organs.

Lumbar Vertebrae

The five vertebrae situated between the thoracic vertebrae and the sacral vertebrae in the lower back.

Thoracic Vertebrae

The twelve vertebrae located in the mid-back section of the vertebral column, providing attachment for the ribs and making up part of the thoracic cage.

Cervical Vertebrae

The seven vertebrae located in the neck region of the spine, known individually as C1 through C7.