EMq1 1-35

What is the branch of engineering mechanics which refers to the study of rigid body in motion under the action of forces?

• Statics

• Strength of materials

• Kinematics

• Dynamics

What is the branch of engineering mechanics which refers to the study of rigid body in motion without reference to the force that causes the motion?

• Statics

• Kinetics

• Kinematics

• Dynamics

What refers to the force that holds part of the rigid body together?

• Natural force

• External force

• Internal force

• Concentrated force

What refers to a pair of equal, opposite and parallel forces?

• Couple

• Moment

• Torque

• All of the above

What is a concurrent force system?

• All forces act at the same point.

• All forces have the same line of action.

• All forces are parallel with one another.

• All forces are in the same plane.

When will a three-force member be considered in equilibrium?

• When the sum of the two forces is equal to the third force.

• When they are concurrent or parallel.

• When they are coplanar.

• All of the above

A roller support has how many reactions?

• None

• 1

• 2

• 3

A link or cable support has how many reactions?

• None

• 1

• 2

• 3

A build-in, fixed support has how many reactions and moment?

• 1 reaction and 1 moment

• 2 reactions and 1 moment

• 1 reaction and 2 moments

• 2 reactions and no moment

Which support has one moment?

• Frictionless guide

• Pin connection

• Fixed support

• Roller