Two masses are attached to a uniform meter stick as shown in the figure below. The masses of m1 and m2 are as given and the meter stick weighs 150 g. A force f with unknown magnitude is applied on one end of the stick at an angle of 30° to balance the system. 3. 30 cm 30 сm 40 cm 30° m2 m1 50 g 75 g a) What is the magnitude of F? b) What are the reaction forces on the support?

Two masses are attached to a uniform meter stick as shown in the figure below. The masses of m1 and m2 are as given and the meter stick weighs 150 g. A force f with unknown magnitude is applied on one end of the stick at an angle of 30° to balance the system. 3. 30 cm 30 сm 40 cm 30° m2 m1 50 g 75 g a) What is the magnitude of F? b) What are the reaction forces on the support?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

Question

3. Two masses are attached to a uniform meter stick as shown in the figure below. The
masses of m1 and m2 are as given and the meter stick weighs 150 g. A force f with
unknown magnitude is applied on one end of the stick at an angle of 30° to balance
the system.
30 сm
30 сm
40 cm
30°
m1
50 g
m2
75 g
a) What is the magnitude of F?
b) What are the reaction forces on the support?

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Two masses are attached to a uniform meter stick as shown in the figure below. The masses of m1 and m2 are as given and the meter stick weighs 150 g. A force F with unknown magnitude is applied on one end of the stick at an angle of 30° to balance the system. 30 cm 40 cm 30 cm 30° m1 50 g m2 75 g slImstimee (a) What is the magnitude of F? (Ans: 6.21 N) (b) What are the reaction forces on the support? (Ans: Rx = 5.38 N; Ry = 5.80 N)
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