# 2.1 Question Preview (ID: 13284)

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Work In Mechanical Systems.
TEACHERS: click here for quick copy question ID numbers.

**What is the basic equation for work?**

a) F/d

b) F * d

c) F * A

d) F/ A

**The work unit of one joule is equal to**

a) 1 footpount

b) 1 meter

c) 1 newton meter

d) 1 foot

**What is the unit of work in the English system**

a) joule

b) foot pound

c) newton meter

d) ounce

**This is equal to the output work divided by the input work times 100%**

a) work

b) force

c) pressure

d) efficiency

**Angles can be represented by**

a) radians

b) degrees

c) theta

d) all of these

**How much work is done by a student when a 500 lb weight is lifted 10 feet?**

a) 500 * 10

b) 500 / 10

c) 500 + 10

d) 10 / 500

**How much work is done by a student who holds a 10 pound weight for 30 seconds?**

a) 300 joules

b) 300 foot pounds

c) 3 newton meters

d) no work is done

**What is one revolution equal to?**

a) 3.14

b) 2 times 3.14

c) 0.5 times 3.14

d) pi

**What is the torque exerted on a wrench with a force of 30 pounds if the length of the wrench is 2 feet?**

a) 60 foot pounds

b) 15 foot pounds

c) 60 joules

d) 15 joules

**If 1000 joules of work are done using a force of 250 newtons, what distance is the force moved through?**

a) 250 times 1000

b) 250 divided by 1000

c) 1000 divided by 250

d) 1000 divided by 250 times 100%

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