# Lab B - 5-B.14 function resultantF =...

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5-B.14 function resultantF = physicsVectorSum(force_1, force_2) % compute vector sum of two vectors % INPUT: force_1, a (MATLAB) vector with N elements representing % an N-dimensional physical vector % force_2, a (MATLAB) vector with N elements representing % an N-dimensional physical vector % (N is the same for force_1 and force_2) % OUTPUT: resultantF, a N element (MATLAB) vector representing % the vector sum of the two inputs resultantF = force_1 + force_2; 5-B.15 function [massV, potentialEnergyV] = springsCompute(extDistV, sprConstV) % compute suspended mass and potential energy values for % a set of springs given corresponding static extension % distances and spring constants % INPUTS: extDistV, a vector of extension distances (m) % sprConstV, a vector of spring constants (N/m) % OUTPUTS: massV, a vector of mass values for each spring (kg) % potentialEnergyV, a vector of potential energy values % stored in each spring at the static % extension position (N-m) g = -9.81; % accel due to gravity (m/s/s), % minus sign expressed direction is "down" massV = -(sprConstV .* extDistV) / g; % (kg) potentialEnergyV = 0.5 * (sprConstV .* extDistV.^2); % (N-m) % sample call %

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