Newton's Third Law

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

B2-02: SUM OF FORCES - SPRING SCALES

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

B2-01: SUM OF FORCES IN A LINE

Purpose: Demonstrate that forces in one dimension add algebraically

B1-24: CENTER OF MASS - CARTS ON BALANCE BOARD

Purpose: Show that the center of mass may remain at rest during motion within the system.

C5-19: ACTION AND REACTION - INSTRUCTOR AND CART

Purpose: Demonstrate action-reaction pairs in a dramatic way

C5-17: ROCKET BOTTLE

Purpose: Illustrate the rocket principle in a dramatic way

C5-32: SAILING UPWIND - HAIRDRYER AND SAILBOAT

Purpose: Illustrate sailing upwind

C7-23: MEDICINE BALL AND SKATEBOARD

Category: C7 Collisions
Purpose: Demonstrate large-scale collisions

F2-21 REACTION TO BUOYANT FORCE

Category: F2 Buoyancy
Purpose: Demonstrates the reaction force using a liquid.

C6-02: INCLINED PLANE - FRICTION BLOCK

Category: C6 Friction
Purpose: Demonstrates that the coefficient of static friction is greater than the coefficient of sliding friction, and determines the coefficient of static friction.

C6-01 INCLINED PLANE - FRICTION BOX AND WEIGHTS

Category: C6 Friction
Purpose: Shows that the coefficient of friction does not depend upon the mass of the object although the frictional force does.

C5-18 FAN CART

Purpose: Demonstrate Newton's third law of motion

C5-14 ROCKET TRIKE

Purpose: Demonstrate Newton's third law of motion

C5-13 WATER ROCKET

Purpose: Demonstrate Newton's third law of motion

Purpose: Show that the action-reaction pairs have equal magnitude
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• C6-01 INCLINED PLANE - FRICTION BOX AND WEIGHTS

Shows that the coefficient of friction does not depend upon the mass of the object although the frictional force does. Read More
• C6-02: INCLINED PLANE - FRICTION BLOCK

Demonstrates that the coefficient of static friction is greater than the coefficient of sliding friction, and determines the coefficient of Read More
• C6-03: INCLINED PLANE - FRICTION WITH THREE BLOCKS

Illustrate different coefficients of friction. Read More
• C6-04: FRICTION DIRECTION ON INCLINED PLANE

Determine the direction of the frictional force in a possibly ambiguous situation. Read More
• C6-05: AIR TRACK - INCLINED PLANE FRICTION

Show that the force of friction depends upon the conditions of the surfaces in contact. Read More
• C6-11: SLIDING FRICTION - LECTURE TABLE AND FELT

Show the effect on frictional force of velocity, normal force, and contact area. Read More
• C6-12: SKIDDING AUTOMOBILE

Demonstrate the effect of locked wheels on vehicle stability. Read More
• C6-13: FRICTION BETWEEN GLASS SURFACES

Demonstrate the increase of friction between two glass surfaces when lubricating surface films are removed. Read More
• C6-14: SOCIAL CLIMBER

Illustrate frictional forces in a weird way. Read More
• C6-15: SOCIAL DESCENDER - FRICTION TOY

Illustrate frictional forces in a weird way. Read More
• C6-16: SLIDING AND STATIC FRICTION

Show that the friction force depends linearly on the normal component of the applied force. Read More
• C6-17: FRICTION VS. PULLING ANGLE

Demonstrate how pulling angle affects the frictional force Read More
• C6-21: SUSPENDED ROD ON WATER

An elementary problem involving horizontal friction. Read More
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