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Statika Struktur
Mechanical Engineering
Problems
1.
2.
Sebuah foot valve untuk system pneumatic berengsel pada titik B. diketahui = 28°, tentukan momen gaya 16 N pada titik B dengan menguraikan gaya 16 N menjadi komponen gaya horizontal dan vertical. A foot valve for a pneumatic system is hinged at B . Knowing that = 28°, determine the moment of the 16-N force about point B by resolving the force into components along ABC and in a direction perpendicular perpendicular to ABC .
Gambar Soal 1 dan 2
3.
Sebuah gaya 90-N diterapkan pada batang pengontrol AB seperti terlihat pada gambar. Diketahui panjang batang 225 mm. tentukan momen gaya terhadap B dengan menguraikan (resolving) gaya kedalam komponen-komponen AB dan berarah tegak lurus terhadap AB. Rigid Bodies: Equivalent Systems of Forces 1 of 4
Statika Struktur
Mechanical Engineering
Problems
4.
5.
7.
Gambar Soal 3 dan 4 A 90-N force is applied to the control rod AB as shown. Knowing that the length of the rod is 225 mm, determine the moment of the force about point B by resolving the force into horizontal and vertical components. Dan soal 6The tailgate of a car is supported by the hydrauliclift BC . If the lift exerts a 125-lb force directed along its centerline on the ball and socket at B , determine the moment of the force about A . Dan Soal 8. Diketahui bahwa sambungan batang AB mendesak engkol BC dengan gaya 2.5kN diarahkan ke bawah dan ke arah kiri sepanjang garis pusat AB. Tentukan momen dari gaya tersebut terhadap C. Rigid Bodies: Equivalent Systems of Forces 2 of 4
Statika Struktur
Mechanical Engineering
Problems
Gambar Soal 5
Gambar Soal 7
Gambar Soal 6
Gambar Soal 8 Rigid Bodies: Equivalent Systems of Forces 3 of 4
Statika Struktur
Mechanical Engineering
Problems
9.
10.
11.
A winch puller AB is used to straighten a fence post. Knowing that the tension in cable BC is 1040 N and length d is 1.90 m, determine the moment about D of the force exerted by the cable at C by resolving that force into horizontal and vertical components applied ( a ) at point C , ( b ) at point E . It is known that a force with a moment of 960 N.m about D is required to straighten the fence post CD . If d = 2.80 m, determine the tension that must be developed in the cable of winch puller AB to create the required moment about point D . It is known that a force with a moment of 960 N.m about D is required to straighten the fence post CD . If the capacity of winch puller AB is 2400 N, determine the minimum value of distance d to create the specified moment about point D .
Gambar Soal 9, 10 dan 11 Rigid Bodies: Equivalent Systems of Forces 4 of 4
