Difference between revisions of "Summation of Forces"

From UO Physics Demonstration Catalog

(Added vide to summation of forces demo.)
(Changed wordng in the description to make it more clear.)
 
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{{NewDemo|subject=Mechanics|topic=Newton's Laws|file1=summation.jpg}}
{{NewDemo|subject=Mechanics|topic=Newton's Laws|file1=summation.jpg}}


Shows a summation of forces keeping a cart at equilibrium. The inclined plane is at 30 degrees and the cart has mass 1kg. Masses on pulleys mimic the normal force of the plane and the static friction that would be needed to keep the cart from sliding down the plane. The cart floats a little above the plane, so once the incline is removed, the cart stays at rest at the angle because the sum of forces is zero. Normal force is mimicked by an 866g mass on a string perpendicular to the plane, static friction is mimicked by a 500g mass hanging from a string parallel to the plane.
Shows a summation of forces keeping a cart at equilibrium. The inclined plane is at 30 degrees and the cart has mass 1kg. Masses on pulleys mimic the normal force of the plane and the tension force that would be needed to keep the cart from moving down the plane. Normal force is mimicked by an 866g mass on a string perpendicular to the plane, the tension in the string is mimicked with a 500g mass attached to a string and pulley which then applies the force parallel to the plane.
 
Once the masses are set and suspended by the pulleys,  the incline is removed, and the cart stays at rest at the angle because the sum of forces is zero.  See Attached Video.


'''Location:'''
'''Location:'''
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*Masses & Hangers: A4
*Masses & Hangers: A4
*Large Pulleys: DR 3
*Large Pulleys: DR 3
*[[File:Cart on Incline Forces.mp4|thumb]]Rod Stand & Rod Clamp x2
*Rod Stand & Rod Clamp x2[[File:Cart on Incline Forces.mp4|thumb]]

Latest revision as of 13:37, 29 October 2024

Return to Newton's Laws

Summation.jpg

Description:

Shows a summation of forces keeping a cart at equilibrium. The inclined plane is at 30 degrees and the cart has mass 1kg. Masses on pulleys mimic the normal force of the plane and the tension force that would be needed to keep the cart from moving down the plane. Normal force is mimicked by an 866g mass on a string perpendicular to the plane, the tension in the string is mimicked with a 500g mass attached to a string and pulley which then applies the force parallel to the plane.

Once the masses are set and suspended by the pulleys, the incline is removed, and the cart stays at rest at the angle because the sum of forces is zero. See Attached Video.

Location: