Answer Happy

Problem 7.8 Part A With what force must you puk? Express your answer using two significant figures. 2 AXO The tune-up specifications of a car call for the spark plugs to be tightened to a torque of 47 Nm You plan to tighten the plugs by pulling on the end of a 29-cm-long wrench. Because of the cramped space under the hood, you'll need to pull at an angle of 125 with respect to the wrench shaft. 5° N

Problem 7.10 Part A In the figure, force Facts half as far from the pivot F, What magnitude of F, causes the net torque on the rod to be zero (1) 2 ΡΗ ΑΣΦ 1 N F-