Physics D1 Inverse Square Law 2/3

​Round Robin

Answer the following questions about yourself. STAND UP, when finished, everyone sits
1) Name?
2) Share what you did this weekend.
3) What are your goals for the week?

Open Ended

How was your weekend? Share what you did and what your goals are for this week--either personal, school-related or BOTH. Complete answers will receive 5 star points.

Inverse Square Law

When distance is INCREASED, non-contact forces gets weaker by inverse square

​

Inverse Square

​r= radial distance from the source of gravity or electricity

Multiple Choice

What is the INVERSE of  $$2^{ }$$  ?

• 1/2

• 1/4

• 2

• 4

Multiple Choice

What is inverse SQUARE of   $$2^{ }$$  ?

• 1/2

• 1/4

• 2

• 4

Multiple Choice

What is inverse of $$3^{ }$$ ? 

• 1/3

• 1/9

• 3

• 9

Multiple Choice

What is the inverse square of $$3^{ }$$ ? 

• 1/3

• 1/9

• 3

• 9

Open Ended

Explain "Inverse Square" in your own words.

Labelling

Drag and drop the inverse square fractions to their correct place at different distances from the source

Drag labels to their correct position on the image

1

1/4

1/9

Labelling

Drag and drop the correct inverse square fraction to their place on the map

Drag labels to their correct position on the image

1/100

1/4

1/16

1

1/64

1/36

Multiple Choice

As the distance from the source increases, will the field strength ever reaches 0 (zero)? Hint: the x axis is an asymptote)

• Yes! There will be a distance where gravity or electricity will be 0

• No! The field will get weaker and weaker but will never disappear.

Dropdown

According to Inverse Square Law, the strength of the gravitational/electricity fields will get ​

Select answer

when distance is increased. For example, if the distance is doubled or increased by 2x, the field will get weaker by ​

Select answer

. If the distance is increased by 3x, then the field will get weaker by ​

Select answer

.

Quizlet Live Review

​https://quizlet.com/live

​1) Individuals
2) Group

Poll

Do you understand how to find inverse square law of electric force?

• ????