8. In order to drag a 100 kg log along the ground at uniform velocity you have topull on it with a force F = 300 N î. What is the resistive force exerted by theground on the log?%3D9. In the absence of air drag, the acceleration due to gravity is 9.81 m/s?. What isthe magnitude of the drag force of the air on a body of mass 0.25 kg fallingfreely with a downward acceleration of 9.20 m/s².10. A parachutist relies on air resistance to decrease her downward velocity. Sheand her parachute have a mass of 55.0 kg, and air resistance exerts a totalupward force of 600 N on her and her parachute. What is the acceleration of

Answered: Image /qna-images/answer/a9cc69f9-2136-4a28-8fb0-f5c6536ac428.jpg

Answered: 8. In order to drag a 100 kg log along…

8. In order to drag a 100 kg log along the ground at uniform velocity you have to pull on it with a force F = 300 N î. What is the resistive force exerted by the ground on the log? %3D

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter4: Dynamics: Force And Newton's Laws Of Motion

Section: Chapter Questions

Problem 11CQ: (a) Give an example of different net external forces acting on the same system to produce different...

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Concept explainers

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.

Question

8. In order to drag a 100 kg log along the ground at uniform velocity you have to
pull on it with a force F = 300 N î. What is the resistive force exerted by the
ground on the log?
%3D
9. In the absence of air drag, the acceleration due to gravity is 9.81 m/s?. What is
the magnitude of the drag force of the air on a body of mass 0.25 kg falling
freely with a downward acceleration of 9.20 m/s².
10. A parachutist relies on air resistance to decrease her downward velocity. She
and her parachute have a mass of 55.0 kg, and air resistance exerts a total
upward force of 600 N on her and her parachute. What is the acceleration of

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