Newton's First & Second Laws of Motion Quiz

Question 1

Newton's first law of motion: an object in motion or at rest will not change - unless

Accepted Answer

an outside force acts on the object., the net force acting on the object is not zero.

Question 2

Once the rolling soccer ball is kicked it will eventually slow down due (mostly) to

Accepted Answer

friction with the grass.

Question 3

Galileo conducted experiments to study how objects behaved while moving.

Accepted Answer

TRUE

Question 4

Newton's second law: the acceleration of an object is equal to the net force acting on it

Accepted Answer

divided by the object's mass.

Question 5

According to Newton's second law, if you double the force then the

Accepted Answer

acceleration will also double.

Question 6

Before publishing his work, Newton had to first figure out

Accepted Answer

what mass & force was.

Question 7

Newton's second law is written mathematically as

Accepted Answer

a = F/m, F = ma

Question 8

Galileo also described his experiments by using mathematics.

Accepted Answer

FALSE

Question 9

Which statement best describes "weight?"

Accepted Answer

the amount of gravity that is acting on an object

Question 10

Sir Isaac Newton published his work entitled "Principia" which built on Galileo's experiments.

Accepted Answer

TRUE

Question 11

Newton's first law is also known as

Accepted Answer

the law of inertia.

Question 12

What is the formula for weight?

Accepted Answer

W = mg

Question 13

What is "net force?"

Accepted Answer

the overall force acting on an object

Question 14

If you double the mass in Newton's second law the object's acceleration will

Accepted Answer

will be cut in half.

Question 15

Which statement best describes "mass?"

Accepted Answer

a measure of the inertia of an object

Question 16

Aristotle correctly described how an object moving at a constant speed needs a force to do so.

Accepted Answer

FALSE

Question 17

Which statement best describes "inertia?"

Accepted Answer

tendency of an object to resist change in motion

Question 18

Aristotle also correctly predicted that heavier objects fall faster than lighter objects.

Accepted Answer

FALSE

Question 19

A soccer ball resting on the grass will not move until

Accepted Answer

someone kicks it., an outside force is applied.

Question 20

Mass is the measure of the inertia of an object; weight is a measure of

Accepted Answer

the force of gravity acting on an object.

Questions 20