Q1. A car owner uses wrench abc to loosen the lug nut at c. length of the handle AB is 372 mm and the owner applies force A and B t o the wrench. expressive that these forces are equivalent to a force-couple system at o consisting of force R= - ( 10 N )i + ( 6 N )k and the couple Mo = ( 60 Nm )i + ( 0.05 Nm )j - ( 10 Nm )k, determine the forces applied at A and B when Ax= 2 N
Q2. A submarine is 304 m horizontally out from the shore and 126 m beneath the surface of the water. A laser beam is sent from the sub so that it strikes the surface of the water at a point 232 m from the shore. If beam just strikes the top of a building standing directly at the water's edge, discover the height of the building.
Q3. Your hands are wet and the restroom towel dispenser is empty. What do you do to get drops of water off your hands? How does your action exemplify one of Newton's laws? Which one?