Forces and the Laws of Motion
Syllabus, Handouts and PowerPoint lectures for this unit: Calendar | Handouts | Lectures
Lab for this unit: Student Designed Force Lab .:. Force ILDs .:. Force Table
Assessments: 4.1 - Newton's Laws and Weight .:. 4.2 - Vertical .:. 4.3 - Friction .:. 4.4 - Inclined Planes .:. 4.5 - Pulleys
4B. Solve simple problems with a single force and F = ma.
Solving Second Law Problems
These are more problems that combine a linear kinematics problem with an F = ma problem:
4D. Solve F = ma problems where there is more than one force.
Net Force Problems:
4E. Solve problems with vertical acceleration.
Vertical Acceleration Problems:
Whiteboards:
Vertical Acceleration Example 1 - 2:38
Vertical Acceleration Example 2 - 2:32
Vertical Acceleration Example 3 - 2:41
Vertical Acceleration Example 4 - 2:10
Vertical Acceleration Example 5 - 5:45
Vertical Acceleration Example 6 - 4:29
More Examples if you want:
Vertical Acceleration Example 7 - 4:28
Vertical Acceleration Example 8 - 3:24
Vertical Acceleration examples with linear kinematics (suvat):
Vertical Accel + suvat Example 5 - 20
Vertical Accel + suvat Example 4 - 19
Vertical Accel + suvat Example 3 - 18
4F. Calculate the force of friction from the coefficient of friction.
Introduction to Friction:
Optional:
Friction Whiteboard a - This is where the forces are worked out that are used in all the problems below.
4G. Solve problems with friction on a level surface.
The Note Guide: Noteguide4G-ComplexFriction.docx
In the first problem, we solve for the forces of friction that we use for the remainder of the problem. Watch
a-f for the video flip:
The mother of all example problems:
Whiteboards:
Friction and Accel Example 6 - 16
Friction and Accel Example 7 - 17
Friction and Accel Example 8 - 18
4H. Calculate forces on an inclined plane.
Forces on an Inclined Plane:
4I. Solve problems on an inclined plane.
Noteguide4I-InclinedPlane.docx
Watch parts A through E for the video flip:
In General: (More stuff - optional)
Inclined Planes (13:02)
Inclined Planes P&P#2 (7:37)
More examples if you need them:
Examples involving external forces and acceleration:
These are the review problems 10-14 from the Inclined Planes worksheet:
Inclined Planes Example 2 - 10
Inclined Planes Example 3 - 11
Inclined Planes Example 4 - 12
4J. Solve simple problems with massless or frictionless pulleys.
Solving Problems with Pulleys:
Part 2:
Homework Video Help: Net Force | Friction | Inclined Planes | Pulleys and Equilibrants
Homework Solutions: Net Force | Friction | Inclined Planes | Pulleys and Equilibrants
Chapter 4 Problems: 7, 9, 10, 12, 36, 37, 41, 47, 76a, 76b, 87, 24b, 55
Things you need to learn from chapter 9: Equilibrium Lab |
Objective
A. Understand the general idea behind equilibrium.
B. Solve for the equilibrant.
C. Solve equilibrium problems with more than one unknown.
D. Calculate torque.
E. Solve Equilibrium problems with torque
How to learn
Other stuff
