Statics Final Exam

Unit 1

100

The first step when solving for resultant forces.

What is a Free Body Diagram?

200

Angle measured from the positive axes (x,y,z).

What are directional cosines?

300

When doing 2D Particle Equilibrium, you must sum the forces and the moments.

What is a false statement?

400

(x_b-x_a)i+(y_b-y_a)j+(z_b-z_a)k

What is a position vector?

500

1) Free Body Diagram

2)Sum forces in X

3)Sum forces in Y

4)Solve for unknown tensions

What is the procedure for a 2D Particle Equilibrium Problem?

Unit 2

100

Force x Perpendicular Distance

How do you find a 2D Moment?

200

Cross Product

How do you find a 3D Moment?

300

A connection causing a resultant force in the x, y, and z as well as a resultant moment.

What is a fixed joint?

400

A question in 2D with 5 unknowns.

What is a statically indeterminate problem?

500

1) Free-body diagram

2) Write all forces in cartesian coordinates

3) Choose point to take moment about

4) Find position vectors

5) Force equilibrium and Moment equilibrium

6) Solve

What is the procedure for 2D Ridgid Body Equilibrium?

Unit 3

100

Used to find internal forces by moving from pin to pin.

What is method of joints?

200

Used to find internal forces by separating a structure into multiple pieces divided at pins.

What is frames and machines?

300

A member that does not exist in tension or compression.

What is a zero-force member?

400

The state a member of any truss exists in.

What is tension or compression?

500

A device used to reduce the amount of force necessary to hold a weight or structure.

What is a pulley?

Unit 4

100

Methods used to find centroids and moments of inertia.

What are integration and arbitrary shapes?

200

The center of mass of a structure or object.

What is a centroid?

300

The technical term for dx and dy.

What is the differential element?

400

4r/3pi

How do you find the centroid of a semi-circle?

500

The derivative of the moment diagram.

What is a shear diagram?

General

100

All forces sum to zero.

What is static equilibrium?

200

i,j,k

What are cartesian coordinates?

300

The horizontal part of a force.

What is the x component of a force?

400

April 29th at 3pm

When is the final exam?

500

The hometown of your PASS leader.

Where is Flowood, Mississippi?