Engineering Mech - OBJECTIVES Flashcards
Which support has one moment?
A. Frictionless guide
B. Pin connection
C. Fixed support
D. Roller
Fixed Supporr
A build-in, fixed support has how many reactions and moment?
A. 1 reaction and 1 moment
B. 2 reactions and 1 moment
C. 1 reaction and 2 moments
D. 2 reactions and no moment
2 reactions 1 moment
A link or cable support has how many reactions?
A. None
B. 1
C. 2
D. 3
1
A roller support has how many reactions?
A. None
B. 1
C. 2
D. 3
1
When will a three-force member be considered in equilibrium?
A. When the sum of the two forces is equal to the third force.
B. When they are concurrent or parallel.
C. When they are coplanar.
D. All of the above
When they are concurrent or parallel
What is a concurrent force system?
A. All forces act at the same point.
B. All forces have the same line of action.
C. All forces are parallel with one another.
D. All forces are in the same plane.
All forces act at the same point
What refers to a pair of equal, opposite and parallel forces?
A. Couple
B. Moment
C. Torque
D. All of the above
Couple
What refers to the force that holds part of the rigid body together?
A. Natural force
B. External force
C. Internal force
D. Concentrated force
Internal forces
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?
A. Statics
B. Kinetics
C. Kinematics
D. Dynamics
Kinematics
What is the branch of engineering mechanics which refers to the study of rigid body in motion under the action of forces?
A. Statics
B. Strenght of materials
C. Kinematics
D. Dynamics
Dynamics
What is the branch of engineering mechanics which refers to the study of stationary rigid body?
A. Statics
B. Kinetics
C. Kinematics
D. Dynamics
Statics
What is the science that describes and predicts the effect on bodies at rest or in motion by forces acting on it?
A. Engineering Mechanics
B. Theory of Structures
C. Mechanics of Materials
D. Strength of Materials
Engineering mechanics
What refers to a negligible body when compared to the distances involved regarding its motion?
A. Particle
B. Atomic substance
C. Element
D. Quarks
Particle
The resulting force of a distributed load is always acting at:
A. the center of the beam subjected to the distributed load
B. the centroid of the area of the loading curve
C. the 1/3 point from the higher intensity side of the loading curve
D. the 2/3 point from the higher intensity side of the loading curve
the centroid of the area of the loading curve
The resultant force of a distributed load is always equal to:
A. twice the area under the loading curve
B. half the area under the loading curve
C. the area under the loading curve
D. one-fourth the area under the loading curve
the area under the loading curve