Physics, 08.12.2020 06:00, npaslayoy1bzj
If an object remains at rest what must be true?
A. the weight of the object must be zero.
B. a friction force must act on the object.
C. At least one normal or support force must act on the object.
D. The sum of all forces acting on the object must be zero.
Answers: 3
Physics, 22.06.2019 02:30, JanaMiqdad1003
Agas initially at p1 = 1 bar and occupying a volume of 0.5 liter is compressed within a piston–cylinder assembly to a final pressure p2 = 4 bar. (a) if the relationship between pressure and volume during the compression is pv = constant, determine the volume, in liters, at a pressure of 3 bar. (b) repeat for a linear pressure–volume relationship between the same end states. reference
Answers: 1
Physics, 22.06.2019 06:30, azireyathurmond1
=force × distance a. work b. velocity c. pressure d. momentum
Answers: 1
Physics, 22.06.2019 11:00, chaycebell6662
A2.00-m long piano wire with a mass per unit length of 12.0 g/m is under a tension of 8.00 kn. what is the frequency of the fundamental mode of vibration of this wire?
Answers: 3
If an object remains at rest what must be true?
A. the weight of the object must be zero.
B....
B....
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