1. Who was the Italian physicist who played a major role in the scientific revolution, studied natural forces and conducted theoretical and experimental work on motion of bodies?

• a. Galileo Galilei

• b. Isaac Newton

• c. Johannes Kepler

• d. Tycho Brahe

Who claimed that heavy and light objects drop in the same way?

• a. Aristotle

• b. Copernicus

• c. Galileo

• d. Ptolemy

What are the two classes of motion according to Aristotle?

• a. Natural motion and Dynamic motion

• b. Natural motion and sliding motion

• c. Natural motion and violent motion

• d. Natural motion and weak motion

It causes the object in vacuum fall at the same time.

• a. air resistance

• b. zero air resistance

• c. air in space

• d. mass of the object

According to Aristotle , which falls faster, heavier or lighter objects?

• a. heavier objects

• b. lighter object

• c. fall at the same time

• d. no data at all