Let's now consider a slightly different case. The sled has a mass of 15 kg. The sled configuration is shown in the imagebelow.YA15 kgO OPWhen a child starts to pull the sled, it accelerates from rest to a velocity of 1.0 m/s. If it takes 10 seconds to get up to thatspeed (and we neglect friction), what is the magnitude of the force (in N) applied to the sled?NiIf we now say that the kinetic friction between the sled and the ground is 5 N, what magnitude of force (in N and in thex-direction) must the child apply to achieve the same acceleration as the frictionless case?NA large safe sits on a concrete floor. You push the safe horizontally, but the crate does not move. What type of friction forceacts on the safe?static frictionkinetic frictionneither of theseNIf the horizontal force you apply to the stationary safe above is 180 N, what is the magnitude of the friction force (in N) onthe safe?

Answered: Image /qna-images/answer/f50ed42a-3d41-4bc8-aad7-c8ca22d4fcdd.jpg

t's now consider a slightly different case. The sled has a mass of 15 kg. The sled configuration is shown in the image low. YA 15 kg P hen a child starts to pull the sled, it accelerates from rest to a velocity of 1.0 m/s. If it takes 10 seconds to get up to that eed (and we neglect friction), what is the magnitude of the force (in N) applied to the sled? N we now say that the kinetic friction between the sled and the ground is 5 N, what magnitude of force (in N and in the direction) must the child apply to achieve the same acceleration as the frictionless case? N arge safe sits on a concrete floor. You push the safe horizontally, but the crate does not move. What type of friction force Is on the safe? static friction kinetic friction neither of these N the horizontal force you apply to the stationary safe above is 180 N, what is the magnitude of the friction force (in N) on e safe?

t's now consider a slightly different case. The sled has a mass of 15 kg. The sled configuration is shown in the image low. YA 15 kg P hen a child starts to pull the sled, it accelerates from rest to a velocity of 1.0 m/s. If it takes 10 seconds to get up to that eed (and we neglect friction), what is the magnitude of the force (in N) applied to the sled? N we now say that the kinetic friction between the sled and the ground is 5 N, what magnitude of force (in N and in the direction) must the child apply to achieve the same acceleration as the frictionless case? N arge safe sits on a concrete floor. You push the safe horizontally, but the crate does not move. What type of friction force Is on the safe? static friction kinetic friction neither of these N the horizontal force you apply to the stationary safe above is 180 N, what is the magnitude of the friction force (in N) on e safe?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

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Let's now consider a slightly different case. The sled has a mass of 15 kg. The sled configuration is shown in the image
below.
YA
15 kg
O O
P
When a child starts to pull the sled, it accelerates from rest to a velocity of 1.0 m/s. If it takes 10 seconds to get up to that
speed (and we neglect friction), what is the magnitude of the force (in N) applied to the sled?
N
i
If we now say that the kinetic friction between the sled and the ground is 5 N, what magnitude of force (in N and in the
x-direction) must the child apply to achieve the same acceleration as the frictionless case?
N
A large safe sits on a concrete floor. You push the safe horizontally, but the crate does not move. What type of friction force
acts on the safe?
static friction
kinetic friction
neither of these
N
If the horizontal force you apply to the stationary safe above is 180 N, what is the magnitude of the friction force (in N) on
the safe?

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