Pre-Engineering Physics I

Static Equilibrium Practice Name_________________________

Period_______________

1. Find the tension in AC (=T₁) and BC (=T₂).

[Note: 300lb=6500N]

ΣF_x= =0

ΣF_y= =0

Solve 2 equations for 2 unknowns using substitution. Show all work.

(answers T₁=7081N, T₂=5804N)

2. Find the tension in AC (=T₁) and BC (=T₂).

A

[Note: 50kg*9.8m/s²=490N]

ΣF_x= =0

ΣF_y= =0

Solve 2 equations for 2 unknowns using substitution. Show all work.

(answers T₁=709N, T₂=377N)

3. Find the tension in AC (=T₁) and BC (=T₂).

[Note: 600lb=13000N and α = 45°]

ΣF_x= =0

ΣF_y= =0

Solve 2 equations for 2 unknowns using substitution. Show all work.

(answers T₁=6642N, T₂=9489N)