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PHYSICS 3A Chapter Notes -Reynolds Number, Unst, Tonne

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studygeek
25 Dec 2022
School
UC-Irvine
Department
Physics
Course
PHYSICS 3A
Professor
Thorsten Ritz

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PHYSICS 3A Full Course Notes
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PHYSICS 3A Full Course Notes
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Document Summary

Environment : obuects external -10 the system (cid:8869) 5. 2: mass & weight (cid:8869) weight =/ mass (cid:8869) weight __ force ( w. Weight is a vector (cid:8869) magnitude + direction (down) (cid:8869) weight is proportional to mass. Apparent weight : magnitude of supporting contact forces (cid:8869) wqpp (cid:8869) 5. 3: interactions with surfaces (cid:8869) i types of surface interactions: perpendicular to the surface normal force (n, parallel to the surface. = (9. 8m/(2) siu (27) = 11. 4 m/s 2. Static friction: force exerted by a surface to keep an object from slipping across a surface. Fants in opposite direction the object should more. Ms: coefficient of ts: n (cid:8869) ts = f push. Ms = "7c (cid:8869) once obvect moves ifs replaced with fk. Kinetic friction fk=mk - h i mk - Rolling friction points opposite of motion (cid:8869) (cid:8869) (cid:8869) f- r=mr "m. = 0+0 + f- push - f- k=0. = n - w -10+0=0 f- push =fk=mkn=mkmg.

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

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Related Questions

The English unit “slug” is a unit of _______.

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A counterweight of mass m = 4.00 kg is attached to a light cord that is wound around a pulley as in Figure PI 1.18. The pulley is a thin hoop of radius R = 8.00 cm and mass M = 2.00 kg. The spokes have negligible mass, (a) What is the magnitude of the net torque on the system about the axle of the pulley? (b) When the counterweight has a speed v, the pulley has an angular speed a) = v/R. Determine the magnitude of the total angular momentum of the system about the axle of the pulley, (c) Using your result from part (b) and? = dL/dt, calculate the acceleration of the counterweight.

Chapter 11, Problem 11.18P, A counterweight of mass m = 4.00 kg is attached to a light cord that is wound around a pulley as in

 

A counterweight of mass m =4.00 kg is attached to a light cord that is wound around a pulley as in Figure PI 1.18. The pulley is a thin hoop of radius R - 8.00 cm and mass M = 2.00 kg. The spokes have negligible mass (a) What is the magnitude of the net torque on the system about the axle of the pulley? (b) When the counterweight has a speed of v, the pulley has an angular speed = v/R. Determine the magnitude of the total angular momentum of the system about the axle of the pulley, (c) Using your result from part (b) and , calculate the acceleration of the counterweight.