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...

Physics problems: Forces, Motion, and Work

10 Questions

1 Views

Physics problems: Forces, Motion, and Work

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

What is the necessary condition for work to be done?

The force must act through a distance. (correct)

The force must be perpendicular to the displacement.

The force must be constant.

The force must be greater than the displacement.

What is the unit of work in the SI system?

Pascal·cubic meter (Pa·m^3)

Kilogram·meter per second squared (kg·m/s^2)

Joule (J)

Newton·meter (N·m) (correct)

Which of the following is a method of finding work done by a force?

Graphical method (correct)

Integration method

Vector method

All of the above

What is the equation for work done by a constant force?

W = F∆r cos θ Signup and view all the answers

What is the consequence of a force being perpendicular to the displacement of its point of application?

The work done by the force is zero. Signup and view all the answers

What is the nature of work?

Scalar Signup and view all the answers

What is the consequence of a zero displacement?

The work done is zero. Signup and view all the answers

Which of the following is not a method of finding work done by a force?

Work done by the vector product of force and displacement Signup and view all the answers

What is the relationship between the force and displacement for work to be done?

The force must act through a distance. Signup and view all the answers

What is the condition for a force to do no work on an object?

The force does not move through a displacement. Signup and view all the answers