7 of 20 Questions Assignment Score: 0% Resources Ly Give Up? Hint Check Answer Press Esc to exit full screen 1 Question 0% 0 of co Attempts A hydraulic brake system in a car connects the brake pedal to the brakes on the wheels. When the driver presses the brake pedal 2 Question 0% inside the car, a piston applies force to a master cylinder containing hydraulic fluid. A hose connects the master cylinder to each 0 of co Attempts brake cylinder. At each brake cylinder, hydraulic fluid pressure on a piston applies force to the brake shoe. @ Macmillan Learning 3 Question 0% Suppose that a driver applies a force of 240 N to the master cylinder, which has a diameter equal to - the diameter of the brake 0 of co Attempts cylinder. What is the force F applied by the brake cylinder on the brake shoe? 4 Question 0% 0 of o Attempts 5 Question F = N 0% 0 of co Attempts 6 Question 0% 0 of co Attempts 7 Question 0% 0 of co Attempts 8 Question 0% 0 of co Attempts 9 Question 0% 0 of co Attempts 10 Question 0 of co Attempts 11 Question 0% 0 of co Attempts8 of 20 Questions Assignment Score: 0% Resources Ly Give Up? Hint Check Answer Press Esc to exit full screen Esc to exit full screen 4 Question 0% 0 of co Attempts Bird bones have air pockets in them to reduce their weight. This also gives them an average density significantly less than that of the bones of other animals. Suppose an ornithologist weighs a bird bone in air and in water and finds its mass is 45.0 g and its 5 Question 0% apparent mass when submerged is 3.60 g (the bone is watertight). What mass of water is displaced? 0 of co Attempts Macmillan Learning 6 Question 0% 0 of co Attempts mass of water displaced: kg 7 Question 0% 0 of co Attempts What is the volume of the bone? 8 Question 0% 0 of co Attempts 9 Question 0% volume of the bone: ms 0 of co Attempts 10 Question 0% What is its average density? 0 of co Attempts 11 Question 0% 0 of co Attempts average density of the bone: kg/m3 12 Question 0% 0 of co Attempts Question Credit: OpenStax College Physics 13 Question 0% 0 of co Attempts 14 Question 10%