Galileo on Motion

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

• Aristotle

• Copernicus

• Galileo

• Ptolemy

What are the two classes of motion according to Aristotle?

• Natural motion and dynamic motion

• Natural motion and sliding motion

• Natural motion and violent motion

• Natural motion and weak motion

Which of the following is an example of natural motion according to Aristotle?

• A smoke rises

• A kicked soccer ball

• A pulled bag

• A pushed trolley.

What is the concept of Galileo of a projectile?

• A projectile is a moving object that will continue to move if it is impeded, and external force is needed to move it continuously.

• A projectile is an object in motion, if unimpeded, will cease to move.

• A projectile is composed of uniform motion in the horizontal direction and uniformly accelerated motion in the vertical direction.

• A projectile is composed of uniform motion in the vertical direction and uniformly accelerated motion in the horizontal direction.

Which of the following objects A, B, or C with masses 3 kg, 6 kg, and 9 kg respectively will reach the ground first neglecting air resistance?

• Object A will reach the ground first.

• Object B will reach the ground first.

• Object C will reach the ground first.

• The three objects will reach the ground at the same time.

Tags

NGSS.MS-PS2-4