Question

For the following situations, describe the contact and non contact forces that are involved.

A. A book sitting on a shelf
B. A soccer player kicking a ball; the ball soaring through the air and landing on the ground
C. A hiker in the woods reading her compass to determine which direction to go
D. A child on a sled; first, the child is sitting at the top of the hill, waiting his turn; then, the child pushes off and slides down the hill, eventually coming to a ston

Answer 1

D

Step-by-step explanation:

Bc I got it right

Answer 2

For A: the contact I think would be the bookshelf holding it up the non-contact force would be gravity making it so the book would stay where it was put.

For B: the contact force would be the ball being kicked and the non-contact would be the gravity pulling it back to the ground.

For C: A hiker in the woods reading her compass to determine which direction to go The contact would be her holding the compass and moving around the non-contact would be the compass arrow turning every time she moves.

For D: The child on a sled for the contact force would be the person pushing the little kid down the hill the non-contact force would be the gravity that would be keeping the kid going down the hill and gravity stopping the kid at the bottom of the hill.

Step-by-step explanation:

Have the same assignment and these are the answers I gave. Hope this helps someone!