A hand tractor of mass 1000kg is attached by means of a horizontal, massless chain to a log whose mass is 400kg. The tension in the chain is 2000N, and the backward force of friction exerted by the ground on the log is 800N. How far will the log move in 3s, starting from rest? ANS. 3m/s², 13.5m.

A hand tractor of mass 1000kg is attached by means of a horizontal, massless chain to a log whose mass is 400kg. The tension in the chain is 2000N, and the backward force of friction exerted by the ground on the log is 800N. How far will the log move in 3s, starting from rest? ANS. 3m/s², 13.5m.

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter12: Static Equilibrium And Elasticity

Section: Chapter Questions

Problem 37P: To get up on the roof, a person (mass 70.0 kg) places 6.00-m aluminum ladder (mass 10.0 kg) against...

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Definition Definition Force that opposes motion when the surface of one item rubs against the surface of another. The unit of force of friction is same as the unit of force.

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