Find the Work Done by a Person Weighing 180 Pounds $1,260 \mathrm { ft } \cdot \mathrm { lb }$

question 11

Multiple Choice

Find the work done by a person weighing 180 pounds walking exactly one revolution up a circular helical staircase of radius 4 feet if the person rises 14 feet.

• A)\(1,260 \mathrm { ft } \cdot \mathrm { lb }\)
• B) \(10,080 \mathrm { ft } \cdot \mathrm { lb }\)
• C) \(2,520 \mathrm { ft } - \mathrm { lb }\)
• D) \(5,040 \mathrm { ft } \cdot \mathrm { lb }\)
• E) \(180 \mathrm { ft } \cdot \mathrm { lb }\)

---

Definitions:

Payee

The individual or entity to whom a check, draft, or note is made payable.

Certified Check

is a check for which the issuing bank guarantees availability of funds by verifying the account's balance and then setting aside the check amount.

Cashier's Check

A check issued by a bank, drawn on its own funds rather than that of a personal account, and signed by a cashier.

Drawer's Liability

Refers to the obligation of the drawer (the person who writes a cheque or draft) to ensure the availability of funds in the account for the amount specified for payment to the payee.