📘 statics

1. **Problem 28: Replace the loading with an equivalent resultant force.** Given multiple load values, the equivalent resultant force is the vector sum of all loads. Since the opti

1. **Calcul du câble avec poulies** : On a une masse $m=500$ kg suspendue.

1. **Problem statement:** Determine the forces in cables AC and AB needed to hold a 20-kg ball D in equilibrium with given parameters $F = 300$ N and $d \approx 1$ m. Then, for a 2

1. Problem No.1: Given forces on a bracket, find magnitude $F$ and direction $\theta$ such that the resultant force $\vec{R}$ is 750 N along positive x-axis. 2. Identify given forc

1. **Problem No.1**: Given the resultant force $R = 750$ N along the positive x-axis, find magnitude $F$ and direction $\theta$ of force $F$. 2. Forces given:

1. The problem asks to explain two terms and prove a trigonometric identity involving the resultant of two equal forces. 2. First, explain the terms: