Discover the fascinating interplay between buoyant force, Newton’s third law, and free body diagrams in this hands-on physics demonstration. We explore how forces interact when a steel or oak sphere displaces water in a beaker on a...

Discover the fascinating interplay between buoyant force, Newton’s third law, and free body diagrams in this hands-on physics demonstration. We explore how forces interact when a steel or oak sphere displaces water in a beaker on a...

Vector Man enrols into Ian’s superhero training programme! This lesson will explain how static friction is dependent on the applied force, normal force and roughness of a surface, but independent of apparent contact...

Forces are like friends… some are real and some are fake! This lesson will distinguish between real and fictitious forces.

Definitions included: frame of reference, inertial frame of reference, non-inertial frame of reference, real...

Lotus isn’t the only one who has noticed that Ian is up to something… This lesson will explain how dynamic friction is dependent on the normal force and roughness of a surface, but independent of speed and apparent contact...

This Free Response Question includes the following concepts: Free Body Diagrams (or Force Diagrams), Static and Kinetic Friction, Tension, Force Normal, Force of Gravity, Newton's Second Law (many times), a Multiple Bock System and a...

Lesson 6 (Friction) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need an AP Physics 1 review before the exam? This course is for you! Exercises in this video: Problem1:...

Lesson 14 (Rotation and Torque) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need an AP Physics 1 review before the exam? This course is for you! Exercises in this...

Conservation of Momentum example 1

This problem is from the Meriam and Kraige Statics textbook. I do not own this problem and I am not using it for commercial purposes.



In this problem you need to always start with a free body diagram. Notice that in order to...

What is the closest to the end of a 93 g uniform meterstick you can place a 200.0 g object and have the system stay balanced? The meterstick is supported at the 20.0 cm and 80.0 cm marks.

Static Friction Summary

circular motion problem 2

Lesson 7 (Circular Motion) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need an AP Physics 1 review before the exam? This course is for you! Exercises in this video:...

In this video I generalize the formula derived from the previous 3 videos, define Mechanical Energy and talk briefly about conservative and non conservative forces.



Note mechanical energy is conserved if no forces (other than...

The maximum friction force that can be a applied on a stationary object is F_max = u_s N

Here we solve for the velocity of a block as it's sliding up a circular hill using energy methods 1) Find work done by external forces (it's 0). 2) Notice there is negligible rotation so the kinetic energy is just 0.5 m (v2^2 - v1^2). 3)...

A simple problem using the equation derived in my previous video: at = r alpha and an = v^2/r

mechanical energy problem 3

What is the velocity of the black just BEFORE it hits the spring? Notice that the 2 non conservative forces are your normal force and your friction force.<br/>
i) 2.56m/s
ii)0.0989m

Will block 1 slide down the hill? What is the inequality that needs to be satisfied?

A block is sliding down a circular path and colliding with a spring. What is the maximum compression of the spring?

Video explains concept of kinetic moment as taught in engineering dynamics-hibbeler

mechanical energy problem 4 Part 1