In which one of the following situations is zero net work done?

Author Question: In which one of the following situations is zero net work done? (Read 1421 times)

TI

Sr. Member
Posts: 434

on: Jun 23, 2013

In which one of the following situations is zero net work done?
A ball rolls down an inclined plane
A child pulls a wagon across a rough surface causing it to accelerate.
A box is pulled across a rough floor at constant velocity.
A projectile falls toward the surface of Earth.
A physics student stretches a spring

aero

Hero Member
Posts: 512

Reply #1 on: Jun 23, 2013

A box is pulled across a rough floor at constant velocity.

Need homework help now?

Ask unlimited questions for free

Ask a Question

« 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?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.