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

Author Question: A bulldozer attempts to drag a log weighing 500 N along the rough horizontal ground. The cable ... (Read 176 times)

sc00by25

  • Hero Member
  • *****
  • Posts: 596
on: Jul 29, 2018
A bulldozer attempts to drag a log weighing 500 N along the rough horizontal ground. The cable attached to the log makes an angle of 30 above the ground. The coefficient of static friction between the log and the ground is 0.
 
  50, and the coefficient of kinetic friction is 0.35. What minimum tension is required in the cable in order for the log to begin to slide?

Question 2

A 500-kg elevator is pulled upward with a constant force of 5500 N for a distance of 50.0 m. (a) What is the work done by the 5500-N force? (b) What is the work done by gravity? (c) What is the net work done on the elevator?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mammy1697

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 29, 2018
Answer to Question 1

220 N

Answer to Question 2

(a) 275 Kj (b) -245 kJ (c) 30.0 kJ


sc00by25

  • Member
  • Posts: 596
Reply 2 on: Jul 29, 2018
Excellent

milbourne11

  • Member
  • Posts: 322
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

With the vehicle raised one foot (30 cm) off the ground, push down on the vehicle to check if it ... With the vehicle raised one foot (30 cm) off the ground, push down on the vehicle to check if it ...
Horizontal, sagittal, and coronal functional MRIs show areas of increased activity in the primary ... Horizontal, sagittal, and coronal functional MRIs show areas of increased activity in the primary ...
Distribution of Thunderstorms: Detailed data on cloud-to-ground lightning flashes have been ... Distribution of Thunderstorms: Detailed data on cloud-to-ground lightning flashes have been ...
Stretching the shoulder muscles with arm in horizontal flexion. Stretching the shoulder muscles with arm in horizontal flexion.
Longitudinal and horizontal effleurage to the thigh. Apply with medium pressure to warm tissues. Longitudinal and horizontal effleurage to the thigh. Apply with medium pressure to warm tissues.
A bulldozer attempts to drag a log weighing 500 N along the rough horizontal ground. The cable ... A bulldozer attempts to drag a log weighing 500 N along the rough horizontal ground. The cable ...
Video: Control of ventilation rate by other brain centers (posts, hypothalamus & cerebral cortex)

For a complete list of videos, visit our video library