1. The SI unit for stress is the same as the SI unit for a.) strain b.) density

Question

1. The SI unit for stress is the same as the SI unit for a.) strain b.) density c.) pressure d.) force ?

2. When a bent piece of steel will not return to its original shape when the stress is removed, we say that the steel has been stressed beyond its a.) breaking point b.) Young's Modulus c.) elastic limit d.) cross-sectional area?

3. A hydraulic lift used to hold your car up for servicing is an example of the use of a.) Pascal's principle b.) Bernoulli's equation c.) Archimedes's principle?

4.) If you increase the temperature of a piece of iron with a hole in it, the hole will a.) become larger b.) stay the same size c.) become smaller?

Explanation / Answer

1. The SI unit for stress is the same as the SI unit for

c.) pressure

2. When a bent piece of steel will not return to its original shape when the stress is removed, we say that the steel has been stressed beyond its

c.) elastic limit

3. A hydraulic lift used to hold your car up for servicing is an example of the use of

a.) Pascal's principle

4.) If you increase the temperature of a piece of iron with a hole in it, the hole will

c.) become smaller

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