____________________ states "pressure in an enclosed system is equal and undiminished in all directions."
Fill in the blank(s) with the appropriate word(s).
Pascal’s law
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Overload relays are intended to disconnect the motor from the power line in the event that the current draw becomes excessive.
Answer the following statement true (T) or false (F)
Overload protection is designed with inverse time-delay trip characteristics. This means the ____ the overload current the faster the circuit will open, but a smaller overload would take much longer to open the circuit.
a. average b. smaller c. shorter d. greater
Guinea pigs in the wild live in _____ or clans
Fill in the blank(s) with correct word
A cylindrical wire of radius R elongates when subjected to a tensile force F. Let represent the initial length of the wire and let
represent the final length. Young’s modulus for the material is given by
Assume that F = 800 ± 1 N, R = 0.75 ± 0.1 mm, = 25.0 ± 0.1 mm, and
= 30.0 ± 0.1 mm.
a. Estimate Y, and find the uncertainty in the estimate.
b. Of the uncertainties in F, R,, and
, only one has a non-negligible effect on the uncertainty in Y. Which one is it?