Question

The location of the final point is now changed and the vector pathlength from the intial t the fnal position is 25 0m at an angle of 233 degees. The net fonce moving the mass along the path remains the same (00+-800) 6. On graph paper, make a scaled drawing ofthe Vector Pathlength and the Force at the intial point assumed to be the origin) USE THE same SCALING for the force and vector pathlength.ONE Dision s 2 units. CHOOSE a DVISION LENGTH to be large enough to have a good sized drawing USE a ruler and determine the magnitude of the FORCE USE A PROTRACTOR and measure the angle between the FORCEand the VECTOR PATHLENGTH Clearly show this angle on your dawing Upload a scan or pic of the drawing 7. Find the WORK done by the constant force from the measured iformation. Wite answer with an uncertanty 8 Find the WORK done by the constant force analyical Interpret the resultant phyicly in terms of the speed Explan 0. Find the xy coordiantes of the final point

Answer 1

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Work done = vector F middot vector s = (6i + 8j) (25 cos 37 degree (-j) + 25 sin 37 degree i) = 6 times 25 sin 37 degree - 25 times 8 times cos 37 degree = -69.455 Joules From work energy theorem work done = change in kinetic energy