4. [-/10 Points] DETAILS SERPSE10 14.2.OP.005. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The small piston of a hydraulic lift (see figure below) has a cross-sectional area of 2.50 cm , and its large piston has a cross- sectional area of 203 cm. What downward force of magnitude , must be applied to the small piston for the lift to raise a load whose weight is F. = 15.2 kN? N Need Help? Read It Watch It 5. [-/10 Points] DETAILS SERPSE10 14.2.P.005.MI.SA. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part. Tutorial Exercise What must be the contact area between a suction cup (completely evacuated) and a ceiling if the cup is to support the weight of an 62.3-kg student? Click here to begin! Need Help? Read It 6. [-/10 Points] DETAILS SERPSE10 14.XP.013. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A swimming pool has dimensions 32.0 m x 13.0 m and a flat bottom. The pool is filled to a depth of 1.90 m with fresh water. (a) What is the force exerted by the water on the bottom? N down (b) What is the force exerted by the water on each end? (The ends are 13.0 m.) N outward (c) What is the force exerted by the water on each side? (The sides are 32.0 m.) N outward Need Help? Read It1. [-/10 Points] DETAILS SERPSE10 14.1.OP.001. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A 52.0-kg woman wearing high-heeled shoes is invited into a home in which the kitchen has vinyl floor covering. The heel on each shoe is circular and has a radius of 0.580 cm. (a) If the woman balances on one heel, what pressure does she exert on the floor? N/m2 (b) Should the homeowner be concerned? O Yes O No Explain your answer. This answer has not been graded yet. Need Help? Read It Watch It 2. [-/10 Points] DETAILS SERPSE10 14.1.OP.002.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Calculate the mass of a solid gold rectangular bar that has dimensions of 6.50 cm x 12.0 cm x 24.5 cm. (Assume the density of gold is 1.93 x 104 kg/m3.) kg Need Help? Read It Master It 3. [-/10 Points] DETAILS SERPSE10 14.2.OP.004.MI.SA. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part. Tutorial Exercise The spring of the pressure gauge shown in the figure below has a force constant of 1 255 N/m, and the piston has a diameter of 1.70 cm. As the gauge is lowered into water in a lake, what change in depth causes the piston to move in by 0.870 cm? Vacuum Click here to begin! Need Help? Read It