Quiz 1 Review Problems

Problem 1 - Resultant Forces

Determine the magnitude of the resultant force FR = F1 + F2 and its direction, measured

counterclockwise from the positive x axis.

Quiz 1 Review Problems

Problem 2 Resultant Forces

Express each of the three forces acting on the column in Cartesian vector form and compute the

magnitude of the resultant force. Draw your resultant force on your free body diagram.

Quiz 1 Review Problems

Problem 3 2D Moment

A force of 40 N is applied to the wrench. Determine the moment of this force about point O.

Solve the problem using both a scalar analysis and a vector analysis.

Quiz 1 Review Problems

Problem 4 2D Moment

Determine the moment of each force about the bolt located at A. Take FB = 40 lb and

FC = 50 lb.

Quiz 1 Review Problems

Problem 5 3D Moments

Determine the moment of the force F at A about point P. Express the result as a Cartesian

vector.

Quiz 1 Review Problems

Problem 6 3D Moments

The man pulls on the rope with a force of F = 20 N. Determine the moment that this force exerts

about the base of the pole at O. Solve the problem two ways, i.e. by using a position vector from

O to A, then O to B.

Quiz 1 Review Problems

Problem 7 3D Moments

Determine the moment of the force Fc about the door hinge at A. Express the result as a

Cartesian vector.