Ch 4 - Newton's 2nd Law of Motion

Question 1

Acceleration depends on

Answer 1

net force

Question 2

To increase the acceleration of an object

Answer 2

You must increase the net force acting on it.

Question 3

Acceleration is inversely proportional to

Answer 3

Mass

Question 4

Twice the mass produces

Answer 4

half the acceleration

Question 5

3 times the mass produces

Answer 5

1/3 the acceleration

Question 6

Newton’s Second Law – The Law of Acceleration

Answer 6

relates acceleration to force and mass

Question 7

Mass

Answer 7

A measure of the amount of matter or inertia of a physical object.

Question 8

Weight

Answer 8

The force on an object due to gravity.

Question 9

Friction

Answer 9

Friction occurs when surfaces slide over one another.
It reduces the net force and in turn also the acceleration.

Question 10

Friction always occurs in the

Answer 10

opposite the direction of motion.

Question 11

The Force of Friction depends on

Answer 11

depends on the kinds of material and how much they are pressed together.

Question 12

Terminal speed

Answer 12

occurs when acceleration terminates (when air resistance equals weight and net force is zero).

Question 13

Terminal velocity

Answer 13

same as terminal speed, with direction specified.