Introduction to Forces

Question 1

Identify the type of force described (contact or noncontact): | The force that is exerted when a shopping cart is pushed: | The force that causes a metal ball to move toward a magnet:

Revolt · Accepted Answer

contact

Question 2

Identify the type of force described (contact or noncontact): | The force that is exerted when a shopping cart is pushed: | The force that causes a metal ball to move toward a magnet:

Revolt · Accepted Answer

noncontact

Question 3

✔ 149

Revolt · Accepted Answer

1

Question 4

Which scatterplot shows no correlation?

Revolt · Accepted Answer

[Image: A graph with both axes unnumbered. A line zig zags...]

Question 5

Use the regression line for the data in the scatterplot to answer the question. On average, how many more goals will a player score for every additional hour of practice?

Revolt · Accepted Answer

of a goal

Question 6

[___]

Revolt · Accepted Answer

positive; There are approximately more fruit bars sold for every degree(s) the temperature rises.: 2.2; There are approximately more fruit bars sold for every degree(s) the temperature rises.: 1

Question 7

Which temperature values would an interpolation be limited to?

Revolt · Accepted Answer

between 3 and 60

Question 8

day 3 ≈ [___] miles

Revolt · Accepted Answer

4.6

Question 9

Kardal used the line of best fit to predict that a man 80 inches tall would wear about a size 16 shoe. What can be concluded about this prediction? Check all that apply.

Revolt · Accepted Answer

No data is given in the scatterplot for a height of 80 inches, but a shoe size can still be predicted.

Question 10

1.4✔ 2.24

Revolt · Accepted Answer

2.2

Introduction to Forces Answers

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