Work done = force * distance
work done = 200 * 20
work done = 4000J
Answer:
option C
Explanation:
The correct answer is option C
Fire cut of fireman cut is diagonal cut which is provided at the end of the beam to prevent the fall of masonry wall if a fire breaks out in the building.
Fire cut allows joist to leave if it fails without affecting the masonry wall standing.
Without fire cut, the burnt beam will rotate downward affecting the connection of beam and wall and leading to damage it.
Answer: when in doubt go with B
Explanation:
His knees are flat in front of him or 180 degrees, i hope that answered your question
