1. Physical Science Chapter 12 Section 1
Newton’s Laws of Motion
(1st and 2nd Laws)

2. Physical Science: Chapter 12 Newton’s Laws
Newton’s First Law of Motion
An object in _______stays in ______ and an object at _____stays at ____, _______it has a __________applied.
aka “outside force acts on it”
Also known as the _______________

3. Physical Science: Chapter 12 Newton’s Laws
Newton’s First Law of Motion
_________causes objects at rest to ___________. _______ also causes moving objects to _____________.
Inertia is the tendency of an object to remain in it’s current state of motion.

4. Newton’s First Law of Motion

5. Physical Science: Chapter 12 Newton’s Laws
Newton’s Second Law of Motion
The net force on an object is equal to
the object’s ____________________
Force =
F =

6. Physical Science: Chapter 12 Newton’s Laws
Newton’s Second Law of Motion
So the formula
is also written as
a = and m=

7. Physical Science: Chapter 12 Newton’s Laws
Newton’s Second Law of Motion
In Physics, force is measured in
_________(___), in
honor of
_______________.

8. Physical Science: Chapter 12 Newton’s Laws
Newton’s Second Law of Motion
A ___________ is a force equal to the force of gravity on an object weighing about pounds.
The metric units are:
1 N = ____________

9. Physical Science: Chapter 12 Newton’s Laws
Newton’s Second Law of Motion Practice:
How much Force is applied to get
a ball with a mass of 1.0kg to
accelerate at 3.5m/s2?

10. Physical Science: Chapter 12 Newton’s Laws
Newton’s Second Law of Motion Practice:
How fast will a 10,000kg car
accelerate if a force of 1.0 x 105N
pushes on it?

11. Physical Science: Chapter 12 Newton’s Laws
Newton’s Second Law of Motion
Do Practice Problems p. 401 (1-4)
AND
Do Section Review Problems
p. 402 (6, 7)

12. Physical Science: Chapter 12, Sec. 1
Mini-Quiz #1
1). What does Newton’s First Law of Motion state?
2). What is inertia?
3). What are the three formula versions used for Newton’s Second Law of Motion.
4). How much force must be applied to a 100kg object to accelerate it to 2.5m/s2?
5). If a force of 35N is applied to an object with a mass of 1.75kg, how fast will the object accelerate?