This physics problem tests your understanding of fundamental physical laws and their applications. The step-by-step solution below breaks down the problem using relevant equations and physical reasoning.
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QUESTION 16: A measuring cylinder is a laboratory tool used to accurately measure the volume of liquids. The correct option is C. C. volume QUESTION 17: Oil floats on water because it is less dense than water, and it does not dissolve in water, allowing it to form a separate layer on top. The correct option is D. D. oil is both less dense and does not dissolve in water. QUESTION 18: There are 60 minutes in 1 hour. To find the number of minutes in 3 hours, multiply 3 by 60. 3 hours × 60 minutes/hour = 180 minutes The correct option is B. B. 180 minutes QUESTION 19: Longer distances are measured in kilometres. Large masses are typically measured in tonnes (also known as metric tons), which are equal to 1000 kilograms. The correct option is B. B. tonnes QUESTION 20: The gravitational force that acts upon an object is defined as its weight. The correct option is C. C. weight