Tuesday, 06 May 2014 13:36

## B2-35: EQUILIBRIUM OF TORQUES ON METERSTICK

• ID Code: B2-35
• Purpose: Demonstrate equilibrium of torques
• Description:

Balance the meter stick on your two index fingers, with one finger initially at one end and the other finger about one-quarter of the way from the other end. Slide your fingers together (moving either one or the other or both). Your fingers will always end up together directly under the center of mass.

Try different starting points. Try adding a 100 gram weight onto either end. Try greasing your finger. It always works. Ask your students what they think will happen before doing the original experiment. Ask them again after adding a weight to one end.

• Availability: Available
• Loc codes: B2

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

Show that the sum of forces exerted on the mass by the scales is constant Read More
• #### B2-03: EQUILIBRIUM OF FORCES - INCLINED PLANE

Demonstrate equilibrium of forces Read More

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

Demonstrate equilibrium of forces Read More
• #### B2-12: EQUILIBRIUM OF FORCES - BOARD BACKGROUND

Demonstrate equilibrium of forces Read More
• #### B2-14: SUM OF FORCES - LARGE ROPE VERSION

Develop a feel for equilibrium of forces on a large scale Read More

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

Introduce the concept of torque Read More
• #### B2-22: TORQUE - PHYSICAL DEFINITION

Introduce the concept of torque Read More
• #### B2-23: TORQUE CONDITION FOR EQUILIBRIUM

Demonstrate that equilibrium of forces is an insufficient condition for static equilibrium Read More
• #### B2-31: EQUILIBRIUM OF TORQUES - WHEELS AND AXLES

Demonstrate equilibrium of torques Read More

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

Verify the equation for torques when the center of mass is outside the object Read More
• #### B2-35: EQUILIBRIUM OF TORQUES ON METERSTICK

Demonstrate equilibrium of torques Read More
• #### B2-36: EQUILIBRIUM OF TORQUES ON METERSTICK - ROTATORS

Demonstrate equilibrium of torques Read More

• #### B2-42: ARM MODEL

Model the forces occurring in the arm Read More
• #### B2-43: CRANE BOOM

Demonstrate a crane boom Read More
• 1