LESSON 6

Question 1

is a bar subjected to forces or couples that lie in a plane containing the longitudinal of the bar

Answer 1

BEAM

Question 2

according to determinacy, a beam may be __________ or ___________

Answer 2

DETERMINATE or INDETERMINATE

Question 3

one unknown. the reaction is a tension force which acts away from the member in the direction of the cable.

Answer 3

CABLE

Question 4

one unknown. the reaction is a force which acts perpendicular to the surface at the point of contact

Answer 4

ROLLER

Question 5

two unknowns. the reactions are two components of the force, or the magnitude and direction of the resultant force.

Answer 5

HINGE

Question 6

three unknowns. the reactions are the couple moment and the two force components, or the couple moment and the magnitude and direction of the resultant force.

Answer 6

FIXED SUPPORT

Question 7

are those beams in which the reactions of the supports may be determined by the use of the equations of static equilibrium

Answer 7

STATICALLY DETERMINATE BEAMS

Question 8

if the number of reactions exerted upon a beam exceeds the number of equations in static equilibrium, the beam is said to be_________.

Answer 8

STATICALLY INDETERMINATE BEAMS

Question 9

what are the 4 types of loading?

Answer 9

1. Concentrated Loads
2. Uniform Load
3. Uniformly Varying Load
4. Applied Couple