Trusses Practice

Determine the force in member AB.

• 134.2 kN in tension

• 120 kN in tension

• 169.7 kN in compression

• 60 kN in compression

Determine the force in member AC.

• 134.2 kN in tension

• 120 kN in compression

• 169.7 kN in tension

• 60 kN in compression

Determine the force in member BC.

• 134.2 kN in tension

• 120 kN in tension

• 169.7 kN in compression

• 60 kN in compression

Determine the force in member D.

• 6.71 kN in compression

• 6.71 kN in tension

• 6 kN in compression

• 6 kN in tension

Determine the force in member B.

• 6.71 kN in compression

• 6.71 kN in tension

• 6 kN in compression

• 6 kN in tension

Determine the force in member C.

• 6.71 kN in compression

• 6.71 kN in tension

• 6 kN in compression

• 6 kN in tension

TRUE OR FALSE:

Roller joints have two reaction forces.

• True

• False

TRUE OR FALSE:

Pinned joints have two reaction forces.

• True

• False

TRUE OR FALSE:

A moment is equal to the force times the parallel distance from the pivot point to where that force is acting.

• True

• False

A person is pushed forward into their seatbelt when a car stops. Which of Newton's laws explains this motion?

• 1st law

• 2nd law

• 4th law

• 3rd law