71A spring balance is commonly used to measure what quantity?
72A beam balance is commonly used to compare and measure what quantity?
73Galileo Galilei is credited with early experiments on the law of what?
74Which scientist is credited with formulating the three fundamental laws of motion?
75Archimedes’ principle relates the buoyant force on a submerged object to the weight of what?
76An object floats on a fluid when its overall density is what compared to the fluid?
77Pascal’s law states that pressure applied to an enclosed fluid is transmitted how?
78A hydraulic press or hydraulic brake system works based on which principle?
79Bernoulli’s principle describes the relationship between fluid speed and what?
80According to Bernoulli’s principle, a faster-moving fluid exerts what kind of pressure?
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