« previous next »

Author Question: The force of gravity acts on all apples on an apple tree. Some apples are twice as far from the ... (Read 80 times)

nmorano1

  • Hero Member
  • *****
  • Posts: 598
on: Jul 29, 2018
The force of gravity acts on all apples on an apple tree. Some apples are twice as far from the ground. Such twice-as-high apples of the same mass, have
 
  A) 1/4 the weight.
  B) 1/2 the weight.
  C) practically the same weight.

Question 2

A 40-kg crate is being lowered with a downward acceleration is 2.0 m/s2 by means of a rope.
 
  (a) What is the magnitude of the force exerted by the rope on the crate?
  (b) What would be the magnitude of the force exerted by the rope if the crate were being raised with an acceleration of 2.0 m/s2?


braelync

  • Sr. Member
  • ****
  • Posts: 350
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

(a) 310 N (b) 470 N


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Lion at Melbourne Zoo enjoying an elevated grassy area with some tree shelter Lion at Melbourne Zoo enjoying an elevated grassy area with some tree shelter
Evolutionary tree derived from amino acid sequence comparisons Evolutionary tree derived from amino acid sequence comparisons
Drag Force in a Climb Drag Force in a Climb
finding the resultant force finding the resultant force
Construction of a phylogenetic tree Construction of a phylogenetic tree
Tree Rings: Oak Tree Rings: Oak
Video: Osmosis - Isotonic, Hypotonic, and Hypertonic​ Solutions

For a complete list of videos, visit our video library