A Block of Mass M Is Pulled in the Direction $\theta$

question 21

Multiple Choice

A block of mass m is pulled in the direction shown in the figure across a rough surface with a constant acceleration .The magnitude of the frictional force is

• A)µ_kmg
• B)T cos \(\theta\) - ma
• C)µ_k(T - mg)
• D)µ_kT sin \(\theta\)
• E)µ_k(mg + sin \(\theta\))

Define productivity and distinguish between different types of productivity measures.

Analyze factors influencing labor and capital productivity.

Recognize how increases in capital and technology affect labor productivity.

Understand the effects of changes in capital stock and technology on a per-worker production function.