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a) A hydraulic braking system has been found to have a mechanical advantage of 25.
1.
a) A hydraulic braking system has been found to have a mechanical advantage of 25. In this system, what force must be exerted on the master cylinder to produce a force of 400 N on the brake cylinder?
b) Describe one way to improve the mechanical advantage.
2. Give two reasons why braking systems in cars are hydraulic rather than pneumatic. Explain your reasoning.
3. Shortly after a snowstorm with high winds, you notice several different snowdrifts outside ranging from those with short, gentle slopes to those with irregular, steep slopes.
a) Where would you look for evidence of laminar flow? Explain.
b) Where would you look for examples of turbulent flow? Explain
