# Statics of Rigid Bodies

## B3-02: LEVERS - THREE CLASSES

Category: B3 Simple Machines
Purpose: Demonstrate the three classes of levers

## B3-01: LEVER AND LOADED WAGON

Category: B3 Simple Machines
Purpose: Demonstrate the mechanical advantage of a lever

## B2-43: CRANE BOOM

Purpose: Demonstrate a crane boom

## B2-42: ARM MODEL

Purpose: Model the forces occurring in the arm

## B2-41: ROBERVAL BALANCE

Purpose: Demonstrate a paradox in equilibrium of forces and torques

## B2-36: EQUILIBRIUM OF TORQUES ON METERSTICK - ROTATORS

Purpose: Demonstrate equilibrium of torques

## B2-35: EQUILIBRIUM OF TORQUES ON METERSTICK

Purpose: Demonstrate equilibrium of torques

## B2-34: EQUILIBRIUM OF TORQUES - ANGLE BRACKET

Purpose: Verify the equation for torques when the center of mass is outside the object

## B2-33: EQUILIBRIUM OF TORQUES - SMALL

Purpose: Demonstrate equilibrium of torques

## B2-31: EQUILIBRIUM OF TORQUES - WHEELS AND AXLES

Purpose: Demonstrate equilibrium of torques

## B2-23: TORQUE CONDITION FOR EQUILIBRIUM

Purpose: Demonstrate that equilibrium of forces is an insufficient condition for static equilibrium

## B2-22: TORQUE - PHYSICAL DEFINITION

Purpose: Introduce the concept of torque

## B2-21: CONCEPT OF TORQUE - TORSIONAL CHAIR

Purpose: Introduce the concept of torque

## B2-16: VECTOR ADDITION WITH ROPE AND STUDENTS

Purpose: Demonstrate vector addition of forces

## B2-14: SUM OF FORCES - LARGE ROPE VERSION

Purpose: Develop a feel for equilibrium of forces on a large scale

## B2-12: EQUILIBRIUM OF FORCES - BOARD BACKGROUND

Purpose: Demonstrate equilibrium of forces

## B2-11: EQUILIBRIUM OF FORCES - OHAUS PROJECTION

Purpose: Demonstrate equilibrium of forces

## B2-04: VERTICAL FORCES - FOUR SPRING SCALES

Purpose: Show addition of forces along a line

## B2-03: EQUILIBRIUM OF FORCES - INCLINED PLANE

Purpose: Demonstrate equilibrium of forces

## B2-02: SUM OF FORCES - SPRING SCALES

Purpose: Show that the sum of forces exerted on the mass by the scales is constant
Page 2 of 4

• #### B3-02: LEVERS - THREE CLASSES

Demonstrate the three classes of levers Read More