This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: How much mechanical work is required to lift a 300-lb compressor 3 ft? A) 300 lb 3 ft = 900 ... (Read 32 times)

acc299

  • Hero Member
  • *****
  • Posts: 569
on: Jul 24, 2018
How much mechanical work is required to lift a 300-lb compressor 3 ft?
 
  A) 300 lb  3 ft = 900 ft-lb of force
  B) Mechanical force alone will not lift the compressor.
  C) 300 lb of force
  D) 300 lb/3 ft = 100 ft-lb of force

Question 2

How many BTUs will a 10-kW heater produce if operated for an hour?
 
  A) (10 kW/3,410 )  60 = 176 BTU B) 10 kW/3,410 BTU = 2.93 BTU
  C) 10 kW  1 hour  3,410 BTU = 34,100 BTU D) 10 kW 1 hour = 10,000 BTU


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tuate

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

C


acc299

  • Hero Member
  • *****
  • Posts: 569
Reply #2 on: Jul 24, 2018
Thanks


tuate

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Jul 24, 2018
Welcome :)


« previous next »
 

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Good computer skills are now required to be a successful member of an office staff. Good computer skills are now required to be a successful member of an office staff.
A poster encourages women to work in munitions to support the war effort. A poster encourages women to work in munitions to support the war effort.
Circular palmar petrissage back up the spine from buttocks to shoulders. Tissues lift as hands trace ... Circular palmar petrissage back up the spine from buttocks to shoulders. Tissues lift as hands trace ...
Math work Math work
Turning Play into Work Turning Play into Work
Time spent on, paid work and housework, by living arrangements of Canadian Time spent on, paid work and housework, by living arrangements of Canadian
Video: Osmosis - water transport

For a complete list of videos, visit our video library