Math Problem Statement

Perhatikan gambar berikut.

F_{1} = 15N

B

C

D

A

α

F_{2} = 30N

F_{3} = 10N

Jika panjang batang AD = 4m , AB = BC = 1 m, dan massa batang AD diabaikan, besar dan arah momen gaya total dengan poros di titik C adalah tan alpha = 4/3 )

A. 10 N·m searah jarum jam

B. 10 N·m berlawanan arah jarum jam

C. 16 N-m searah jarum jam

D. 16 Nm berlawanan arah jarum jam

E. 18 N-m searah jarum jam

Solution

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Math Problem Analysis

Mathematical Concepts

Torque (Moment of Force)
Statics
Trigonometry

Formulas

M = F × d (Moment of Force = Force × Perpendicular Distance)
tan(α) = Opposite/Adjacent

Theorems

Principle of Moments

Suitable Grade Level

Grades 10-12