QSTSS Chapter 7.2 Internal Forces

Which answer provides the best description of compression?

• When 2 forces are moving in the same direction

• When 2 forces are moving in opposite directions

• When 2 forces are moving toward the same point

• When you have 1 force moving up and 1 force moving down

What is the best description of tension?

• When 2 forces are moving in opposite directions

• When 2 forces are moving in the same direction

• When 2 forces are moving toward the same point

• When 1 force is moving up and 1 force is moving down

Looking at the truss which members are undergoing compression?

• AD, DC

• BC, AC

• AB, AC

• BD, DC

Looking at the truss which members are experiencing a tension force

• AC

• BA

• BC

• None of the Above

Which letter represents the support?

• A

• B

• C

Which letter represents the load?

• A

• B

• C

If the value for A is 500N what would be the value for B and C?

(a)  

If the value for B is 350N and the value of C is 250N what would be the value for A?

(a)  

For a 45-45-90 triangle the resultant force has a magnitude of x√2. What are the values of the horizontal and vertical components if the resultant force is 200 N?​

(a)  

What is the resultant force for a 45-45-90 triangle with a vertical component force of 275 N?

(a)