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 967 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?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.