A Massless Meter Stick on a Horizontal Frictionless Table Top

question 34

Multiple Choice

A massless meter stick on a horizontal frictionless table top is pivoted at the 80-cm mark.A force is applied perpendicularly to the end of the stick at 0 cm, as shown.A second force (not shown) is applied perpendicularly at the 60-cm mark.The forces are in the plane of the table top.If the stick does not move, the force exerted by the pivot on the stick:

• A)must be zero
• B)must be in the same direction as and have magnitude
• C)must be directed opposite to and have magnitude
• D)must be in the same direction as and have magnitude
• E)must be directed opposite to and have magnitude

Know the basics of sheet metal development drawings and their purpose.

Comprehend the factors influencing bending and forming of sheet metal.

Understand the process and terminologies involved in joining sheet metal pieces.

Grasp the concept and applications of stamping in sheet metal work.

---

Definitions:

Specialized Labor

Workforce with specific skills or knowledge, often requiring extensive training and education, tailored to certain industries or occupations.

Mass Production

The manufacture of large quantities of standardized products, often using assembly lines or automated technologies.

Utility

A term in economics referring to the total satisfaction received from consuming a good or service.

Job-Order Production

A manufacturing process in which products are made individually according to specific customer orders rather than in continuous or mass production.