An engineering company is designing a truss bridge. How should they arrange the steel bars that make up the trusses?(1 point)

Question

Responses

in a semi-circular shape
in a semi-circular shape

in a triangular shape
in a triangular shape

in a box shape
in a box shape

in an upside-down V shape

Answer 1

in a triangular shape

Answer 2

A city wants to build a beam bridge that will span 500 feet (152 meters). What is the best way to build the bridge?(1 point)
Responses

Link two or more beams end-to-end so the bridge does not sag in the middle.
Link two or more beams end-to-end so the bridge does not sag in the middle.

Arrange the beams in a triangular shape to distribute the load over a larger distance.
Arrange the beams in a triangular shape to distribute the load over a larger distance.

Put an arch into the beams to carry the weight of the beams and the heavy load.
Put an arch into the beams to carry the weight of the beams and the heavy load.

Drape steel cables over the supports of the beam bridge to hold up the roadway.
Drape steel cables over the supports of the beam bridge to hold up the roadway.

Answer 3

Link two or more beams end-to-end so the bridge does not sag in the middle.

Answer 4

How are drones used to help natural disaster relief efforts?(1 point)
Responses

to repair roads
to repair roads

to gather information
to gather information

to help people communicate
to help people communicate

to carry food and water

Answer 5

to gather information