General Questions: Two Objects, Each of Weight W, Hang Vertically

question 119

Multiple Choice

General questions: Two objects, each of weight W, hang vertically by spring scales as shown in the figure. The pulleys and the strings attached to the objects have negligible weight, and there is no appreciable friction in the pulleys. The reading in each scale is

• A) W.
• B) more than W, but not quite twice as much.
• C) less than W.
• D) 2W.
• E) more than 2W.

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Definitions:

Net Present Value

The distinction in present monetary value between incoming and outgoing cash over a designated interval.

Investment Opportunities

Potential prospects or ventures that could yield financial returns or profits for investors.

Cash Savings

Funds that are kept on hand or in a bank account and are readily available for use in emergencies or for future purchases.

Simple Rate of Return

The percentage of annual incremental net operating income to the initial investment cost.