Problem 4.166The forces and couple moments that are exerted on thetoe and heel plates of a snow ski areFt = {-46i +86j - 161k} N,M = {-7i+ 4j+2k} Nm, and{-21i+61j - 241k} N,F₁M₁ = {-23i+ 8j + 3k} Ñ m, respectively.Replace this system by an equivalent force and couplemoment acting at point P.Figure 1of 1M120 mm>>Ma 800 mmPart AFind the equivalent force.Enter the x, y, and components of the equivalent force separated by commas.FR =SubmitPart BMRP =IT ΑΣΦ ↓↑ vecSubmitMy Answers Give UpFind the couple moment acting at point P.Enter the x, y, and components of the couple moment separated by commas.ΙΠ ΑΣΦ ↓↑ vec?My Answers Give UpN?N.m

The forces and couple moments that are exerted on the toe and heel plates of a snow ski are F₁ 161k} N, -46i +86j M = {-7i+ 4j+2k} Nm, and -21i+61j241k} N, F₁ = M₁ -23i+8j+ 3k} N m, respectively. Replace this system by an equivalent force and couple moment acting at point P. Figure 1 of 1 M. 120 mm. < M 800 mm Find the equivalent force. Enter the x, y, and components of the equivalent force separated by commas. FR = Submit Part B 1ΠΙ ΑΣΦΗ ΤΗ vec MRP = My Answers Give Up ? Find the couple moment acting at point P. Enter the x, y, and components of the couple moment separated by commas. 15 ΑΣΦ ↓↑ vec N ? N.m

The forces and couple moments that are exerted on the toe and heel plates of a snow ski are F₁ 161k} N, -46i +86j M = {-7i+ 4j+2k} Nm, and -21i+61j241k} N, F₁ = M₁ -23i+8j+ 3k} N m, respectively. Replace this system by an equivalent force and couple moment acting at point P. Figure 1 of 1 M. 120 mm. < M 800 mm Find the equivalent force. Enter the x, y, and components of the equivalent force separated by commas. FR = Submit Part B 1ΠΙ ΑΣΦΗ ΤΗ vec MRP = My Answers Give Up ? Find the couple moment acting at point P. Enter the x, y, and components of the couple moment separated by commas. 15 ΑΣΦ ↓↑ vec N ? N.m

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

System of Forces

A force is an external influence or agent that changes the state of a system. According to Newton's second law, the force applied to a body is proportional to the change in momentum of a body. Hence, whenever a force is applied to a body, its momentum changes. If the body is at rest, under the action of force, its state of rest changes to motion. In other words, the magnitude of the momentum of the body changes from zero to a measurable value. Similarly, if the body possesses some initial velocity, it has some associated momentum, the effect of force can cause the body to halt or come to rest, that is, the momentum reduces to zero.

Question

Problem 4.166
The forces and couple moments that are exerted on the
toe and heel plates of a snow ski are
Ft = {-46i +86j - 161k} N,
M = {-7i+ 4j+2k} Nm, and
{-21i+61j - 241k} N,
F₁
M₁ = {-23i+ 8j + 3k} Ñ m, respectively.
Replace this system by an equivalent force and couple
moment acting at point P.
Figure 1
of 1
M
120 mm
>>
Ma 800 mm
Part A
Find the equivalent force.
Enter the x, y, and components of the equivalent force separated by commas.
FR =
Submit
Part B
MRP =
IT ΑΣΦ ↓↑ vec
Submit
My Answers Give Up
Find the couple moment acting at point P.
Enter the x, y, and components of the couple moment separated by commas.
ΙΠ ΑΣΦ ↓↑ vec
?
My Answers Give Up
N
?
N.m

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