# Applications of Newton's Laws

## D5-21: BALL ROLLING ON ROTATING DISC

Purpose: Show that a sphere rolling on a rotating disc will move in circles.

## D4-21: SHIP STABILIZER

Category: D4 Gyroscopes
Purpose: Demonstrate how a gyroscope can stabilize the rocking of a ship.

## D2-21: CENTER OF PERCUSSION - BAT AND MALLET

Purpose: Demonstrate the center of percussion using a baseball bat.

## D1-84: SPINNING CYLINDRICAL SHELL

Purpose: A counterintuitive demonstration of rotational dynamics.

## D1-82: ROLLING FRICTION

Purpose: Show the direction of the frictional force when a rolling object is accelerated.

## C6-21: SUSPENDED ROD ON WATER

Category: C6 Friction
Purpose: An elementary problem involving horizontal friction.

## C6-17: FRICTION VS. PULLING ANGLE

Category: C6 Friction
Purpose: Demonstrate how pulling angle affects the frictional force

## C6-16: SLIDING AND STATIC FRICTION

Category: C6 Friction
Purpose: Show that the friction force depends linearly on the normal component of the applied force.

## C6-15: SOCIAL DESCENDER - FRICTION TOY

Category: C6 Friction
Purpose: Illustrate frictional forces in a weird way.

## C6-14: SOCIAL CLIMBER

Category: C6 Friction
Purpose: Illustrate frictional forces in a weird way.

## C6-13: FRICTION BETWEEN GLASS SURFACES

Category: C6 Friction
Purpose: Demonstrate the increase of friction between two glass surfaces when lubricating surface films are removed.

## C6-12: SKIDDING AUTOMOBILE

Category: C6 Friction
Purpose: Demonstrate the effect of locked wheels on vehicle stability.

## C6-11: SLIDING FRICTION - LECTURE TABLE AND FELT

Category: C6 Friction
Purpose: Show the effect on frictional force of velocity, normal force, and contact area.

## C6-05: AIR TRACK - INCLINED PLANE FRICTION

Category: C6 Friction
Purpose: Show that the force of friction depends upon the conditions of the surfaces in contact.

## C6-04: FRICTION DIRECTION ON INCLINED PLANE

Category: C6 Friction
Purpose: Determine the direction of the frictional force in a possibly ambiguous situation.

## C6-03: INCLINED PLANE - FRICTION WITH THREE BLOCKS

Category: C6 Friction
Purpose: Illustrate different coefficients of friction.

## C4-61: ACCELERATION ON A SCALE

Purpose: Illustrate forces in an accelerating system.

## C4-41: TERMINAL VELOCITY - BOTTLE IN TUBE

Purpose: An easily observable terminal velocity experiment.

## C4-03: ACCELERATION BY ITERATED BLOWS

Purpose: Illustrate the numerical technique by which a computer carries out integration of the equation a = F/m.

## C1-04: CENTER OF MASS - BEAR ON TIGHT ROPE

Purpose: Show stability in system where the center of mass is outside of the object.
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• #### B2-01: SUM OF FORCES IN A LINE

Demonstrate that forces in one dimension add algebraically Read More
• #### 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
• #### B2-04: VERTICAL FORCES - FOUR SPRING SCALES

Show addition of forces along a line 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
• #### B2-16: VECTOR ADDITION WITH ROPE AND STUDENTS

Demonstrate vector addition of forces 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
• #### B2-32 EQUILIBRIUM OF TORQUES - LARGE

Demonstrate balanced torques Read More
• #### B2-33: EQUILIBRIUM OF TORQUES - SMALL

Demonstrate balanced 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
• #### B2-41: ROBERVAL BALANCE

Demonstrate a paradox in equilibrium of forces and 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
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