A Store's Sign Has a Mass of 20 Kg and Is

question 49

Multiple Choice

A store's sign has a mass of 20 kg and is 3.0 m long. It is uniform, so its center of gravity is at the center of the sign. It is supported horizontally by a small loose bolt attached to the wall at one end and by a wire at the other end, as shown in the figure. What is the magnitude of the net force that the bolt exerts on the sign?

• A) 460 N
• B) 230 N
• C) 200 N
• D) 120 N
• E) 300 N

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Definitions:

Attachment Styles

Patterns of emotional bonding and interpersonal relationships, often categorized into secure, anxious, and avoidant types.

Unresponsive Mothers

Caregivers who fail to respond adequately to their child's needs, which can lead to issues with attachment and emotional development in the child.

Insensitive

Lacking awareness or concern for the feelings of others, often resulting in actions or comments that can be hurtful.

Strange Situation

A procedure developed by Mary Ainsworth to measure attachment styles in infants by observing their reactions to separations and reunions with their caregiver.