Calculate the size of the average force. plan the force, Ask an Expert

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Q. Draw the force vectors with their tails at the left sphere. The orientation of your vectors will be graded. The exact length of your vectors will not be graded but the relative length of one to the other will be graded.

Q. A set of crash tests consists of running a test car moving at a speed of 11.2 m/s (24.64 m/h) into a solid wall. Strapped securely in an advanced seat belt system, a 55 kg (121 lbs) dummy is found to move a distance of 0.75 m from the moment the car touches the wall to the time the car is stopped. Calculate the size of the average force which acts on the dummy during that time.

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