Newton's Second Law

Question 1

If the same net force is applied to a 7 kg object and a 21 kg object, then

Revolt · Accepted Answer

the 7 kg object accelerates three times faster than the 21 kg object.

Question 2

If gravity did not affect the path of a horizontally thrown ball, the ball would ____.

Revolt · Accepted Answer

travel horizontally

Question 3

For a given value of net force, which of the following would increase acceleration for a system?

Revolt · Accepted Answer

decrease the mass

Question 4

Newton’s second law of motion states that force equals mass

Revolt · Accepted Answer

times

Question 5

A net force of 100 N is moving a mass with an acceleration of 5 m/s2. What is the mass of the object?

Revolt · Accepted Answer

20 kg

Question 6

Friction depends on the types of surfaces involved and how hard the surfaces push together.

Revolt · Accepted Answer

T

Question 7

What is the acceleration due to gravity on Mars?

Revolt · Accepted Answer

3.7 m/s2

Question 8

As the distance between two objects decreases, the gravitational force between them ____________________.

Revolt · Accepted Answer

increases

Question 9

The law of universal gravitation states that any two objects in the universe, without exception,

Revolt · Accepted Answer

attract each other.

Newton's Second Law Answers