Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

5 Questions

0 Views

Work in Physics

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

In the example of a ball being held above the ground and then dropped, what type of work is done by the gravitational force as it falls?

No work is done

Negative work

Positive work (correct)

Work cannot be determined

If the ball is thrown upwards, what type of work is done by the gravitational force?

No work is done

Positive work

Work cannot be determined

Negative work (correct)

When does a force do positive work?

When it has a component in the direction of the displacement at the point of application (correct)

When it has no component in the direction of the displacement

When it has a component opposite to the displacement at the point of application

When it has a component perpendicular to the displacement

When does a force do negative work?

<p>When it has a component opposite to the direction of the displacement at the point of application</p> Signup and view all the answers

What is the simplest form of work for a constant force aligned with the direction of motion?

<p>The product of the force strength and the distance traveled</p> Signup and view all the answers

Work in Physics

Choose a study mode

Podcast

Questions and Answers

In the example of a ball being held above the ground and then dropped, what type of work is done by the gravitational force as it falls?

If the ball is thrown upwards, what type of work is done by the gravitational force?

When does a force do positive work?

When does a force do negative work?

What is the simplest form of work for a constant force aligned with the direction of motion?

More Like This

Work in Physics Quiz

Work in Physics Quiz

Physics Flashcards: Work and Forces

Physics Chapter 3: Work and Machines Flashcards

Upgrade to continue