1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
lisov135 [29]
2 years ago
10

A construction crew lifts approximately 400 lb. of material several times during a day from a flatbed truck to a 25 ft. rooftop.

A block and tackle system with 75 lb. of effort force is designed to lift the materials a). What is the displacement(distance)…by the effort force? b). What is the Ideal Mechanical Advantage of the system?
Engineering
1 answer:
Irina18 [472]2 years ago
5 0

Answer:

2ib

Explanation:

if you divide 10 divided by 2 it gives you 5 and then subtract it by 2.2 = 2.8

there goes your answer.

You might be interested in
Technician A says that a way to prevent galvanic corrosion is to duplicate the original installation method. Technician B says t
sertanlavr [38]

Answer:

Technician A

Explanation:

Galvanic corrosion is not on only one metal alone but caused when two metals are interacting. Thus, Duplicating the original installation method is a better option because re-using a coated bolt doesn't prevent galvanic corrosion because both materials must be coated and not just the bolt and in technician B's case he is coating just the bolt. Thus, technician B's method will not achieve prevention of galvanic corrosion but technician A's method will achieve it.

8 0
3 years ago
Kinetic energy is defined as energy of an object in:
Murrr4er [49]

your answer is c. motion

5 0
3 years ago
Read 2 more answers
The simply supported beam in the Figure has a rectangular cross-section 150 mm wide and 240 mm high.
8_murik_8 [283]
Same question idea but different values... I hope I helped you... Don't forget to put a heart mark

4 0
3 years ago
What are the factors that influence the power input to the compressor?
Lena [83]

Answer:

option e is correct answer

5 0
3 years ago
A stress of 2500 psi is applied to a polymer serving as a fastener in a complex assembly. At a constant strain, the stress drops
sesenic [268]
Very very hard to answer
6 0
3 years ago
Other questions:
  • The volume at a section of a 2-lane highway is 1800 vph in each direction and the density is approximately 30 bpm. A slow moving
    10·1 answer
  • A sludge pump pumps at a rate of 40 GPM. The raw sludge density is 4.5 percent solids. How many minutes per hour should the pump
    11·1 answer
  • The densities of several materials are given in SI units. Convert these to densities in U.S. customary units (slug/ft3), and als
    12·1 answer
  • A common rule of thumb for controller discretization is to have "6 samples per rise time" in order to achieve a reasonable appro
    9·1 answer
  • A 350 m^3 retention pond that holds rainwater from a shopping mall is empty at the beginning of a rainstorm. The flow rate out o
    7·1 answer
  • 6. Given a sheet of metal that is 1.2 cm wide, 3.8 cm long and 1.0 mm thick with a density of 8.57 g/cm3, calculate the mass of
    8·1 answer
  • Local technology is foundation for modern technology? justufy this statement with example.​
    12·1 answer
  • Determine the number of flipflops required to build a binary counter that count from 0 to 2043
    14·1 answer
  • Poems that focus on one image usually have what purpose? PLEASE HELP MEH!!
    7·2 answers
  • How to make a police car ​
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!