Friction on Inclined Planes

Free to teach as-is — the teacher guide, student handout, and slides are included.

Free — we'll email you an access link. Google Docs format.

Objective

I can predict whether an object will slide down an inclined plane based on the angle of the plane and the coefficient of friction.

Part 1 of 3

Warm-up video

Unknown Channel · 5:00

We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.

Part 2 of 3

Practice

9 questions

1

Define the coefficient of kinetic friction and explain its role in determining whether an object will slide down an inclined plane.

2

An object is placed on an inclined plane. List the forces acting on the object and describe the direction of each force.

Part 3 of 3

Exit ticket

Quick comprehension check

A block is placed on an inclined plane. The angle of the plane is 35°, and the coefficient of kinetic friction between the block and the plane is 0.6. Will the block slide down the plane? 🤔 Explain your reasoning. A box is placed on an inclined ramp. The coefficient of kinetic friction between the box and the ramp is 0.4. What is the maximum angle of the ramp, in degrees, at which the box will *not* slide down the ramp on its own? 📐 Show your work.

Sample answer included in the free materials

Get the materials

Teacher guide, student handout, and slides — free, in Google Docs format

  • Teacher Guide

    Complete lesson plan with answer keys and alternate activities

  • Student Handout

    Printable worksheet

  • Slides

    Ready to present

We'll ask for your email to send your access link — nothing else.

Teaching a group at a different level?

Where are your students right now? We'll rebuild this lesson to match — including the teacher guide, student handout, and slides, saved to your Google Drive.

Adapt This Lesson