Force Calculated: Harris & Paul's Surfboard Challenge

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In summary, Harris and Paul are carrying a 2.43 m long surfboard weighing 155 N. Paul is lifting one end with a force of 85 N. To determine the amount Harris needs to lift, the equation for rotational equilibrium, the sum of moments about any point = 0, must be used. This takes into account the calculation of moments and torques. Without these equations, it is difficult to determine the exact amount Harris needs to lift. More information and calculations are necessary to find the "d" value needed.
  • #1
halo9909
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Homework Statement



Harris and Paul carry a surfboard that is 2.43 m long and weighs 155 N. Paul lifts one end with a force of 85 N.

What part of the board should Harris lift?
m from Paul

Homework Equations


T=Fd

The Attempt at a Solution


I just did 155N-85N
=70N
which is the amount Harris exerted,

After getting that force I am unsure of what to use to get the "d" he needed
 
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  • #2
You're missing the eqaution for rotational equilibrium, the sum of moments about any point = 0. Are you at all familiar with moments or torques, and the calculation of their directions and values?
 
  • #3
PhanthomJay said:
You're missing the eqaution for rotational equilibrium, the sum of moments about any point = 0. Are you at all familiar with moments or torques, and the calculation of their directions and values?

not sure exactly?
what would I have to do from here?
 

1. How does "Force Calculated" work?

"Force Calculated" is a computer simulation program that uses mathematical equations and data input from real-life surfboard designs and conditions to calculate the force and performance of a surfboard on a wave.

2. What data is used in "Force Calculated" to calculate the force?

The program uses data such as the surfboard's dimensions, weight, and material, as well as the wave's size, shape, and speed, to calculate the force and performance of the surfboard.

3. Can "Force Calculated" accurately predict the performance of a surfboard?

While the program uses advanced algorithms and data, it cannot account for all variables and factors that may affect a surfboard's performance. Therefore, its predictions should be used as a general guide rather than an exact representation.

4. How can "Force Calculated" benefit surfboard design?

The program allows surfboard designers to test different designs and conditions without physically creating and testing each board. This can save time and resources and aid in creating more efficient and high-performance surfboards.

5. Is "Force Calculated" only for professional surfers and designers?

No, the program can be used by anyone interested in understanding the physics and performance of surfboards on waves. It can also be a helpful tool for beginners in choosing the right surfboard for their skill level and conditions.

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