chapter 2 ML&M

Question 1

when dishes remain on a table when you yank the tablecloth beneath them, you’re demonstrating

Answer 1

inertia

Question 2

the force required to maintain an object at a constant velocity in free space is equal to

Answer 2

zero

Question 3

whirl a rock at the end of a string and it follows a circular path. If the string breaks, the rock tends to

Answer 3

follow a straight-line path

Question 4

if gravity between the Sun and Earth suddenly vanished, Earth would continue moving in

Answer 4

a straight-line path

Question 5

You’re in a fast-moving train traveling at constant velocity. If you jump straight up you land

Answer 5

at your original position

Question 6

newton’s 2nd law focuses on

Answer 6

acceleration

Question 7

a constant net force on a railroad car produces constant

Answer 7

acceleration

Question 8

A stone is thrown vertically upward. At the top of its vertical path the force acting on it is

Answer 8

only the force due to gravity

Question 9

you cannot exert a force on a wall

Answer 9

unless the wall simultaneously exerts the same amount of force on you

Question 10

How many forces are required for a single interaction?

Answer 10

two