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 1647 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?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.