337

Chinese emperors dating back to required subjects to exercise daily

a

How does Newton's first law of motion relate to Galileo's concept of inertia? Newton refined Galileo's concept of inertia and made it his first law of motion. Newton replaced Galileo's concept of inertia with his three laws of motion. Newton's first law of motion refuted Galileo's concept of inertia. Newton expressed Galileo's concept of inertia with the inertia equation.

a

What test can you perform to increase the chance in your own mind that you are right about a particular idea? Write a clear explanation of your idea and share it with everyone to gather objections. See if you can state the objections of your opponents to their satisfaction. Write down your own idea as an equation. Read up on the validity of the axioms you assumed when you crafted your idea.

b

The Greek mathematician Eratosthenes made measurements to show the size of _______. the Sun the Moon. Earth all of these

c

What class of motion did Aristotle attribute to the Moon? Violent Continuous Natural At rest

c

What relationship between the Sun and Earth did Copernicus formulate? The Earth was at rest with respect to the Sun. The Sun and the Earth revolve in circles around each other. The Earth revolved in a circle about the Sun. The Sun revolved in a circle about the Earth.

c

A speedometer normally measures ______. velocity distance traveled average speed instantaneous speed

d

According to the parallelogram rule, what quantity is represented by the diagonal of a constructed parallelogram? The diagonal is 1.41 times the magnitude of the longest vector. The diagonal is the difference of two vectors. The diagonal is always 1.41 times the magnitude of the sum of the vectors. The diagonal is the resultant, or sum, of two vectors.

d

What did Galileo discover in his legendary experiment on the Leaning Tower of Pisa? Galileo found that stones fall faster proportional to their weight. Galileo found that a heavier stone falls significantly faster than a lighter one. Galileo found that air resistance significantly slowed falling stones. Galileo found that a heavier stone does not fall significantly faster than a lighter one.

d