The Ideal Mechanical Advantage (I

question 40

Multiple Choice

The ideal mechanical advantage (i.e. the ratio of the weight W to the pull P for equilibrium) of the combination of pulleys shown is:

• A) 1
• B) 2
• C) 3
• D) 4
• E) 5

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Definitions:

Market Demand

The overall amount of a product or service that every consumer in a market is ready and capable of buying at different price levels.

Negative Externalities

Unintended and uncompensated costs imposed by one party's actions on others not involved in the transaction.

Efficiency Loss

The loss of economic efficiency that can occur when the balance between supply and demand is not achieved, leading to potential welfare loss.

Deadweight Loss

See efficiency loss.