1. Newton’s Second Law How does mass affect acceleration? 2.How does mass
affect force?
3.How does force

2. Newton’s Second Law
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3. Newton’s Second Law

4. Newton’s Second Law

5. ÷ M A F Newton’s Second Law Force equals mass times acceleration.
F = ma F M A ÷ X

6. Newton’s Second Law 70 Newtons Force = Mass x Acceleration
Moon’s gravity is 1/6 of the Earth’s
If you weigh 420 Newtons on earth, what will you weigh on the Moon?
70 Newtons
If your mass is 41.5Kg on Earth what is your mass on the Moon?

7. WEIGHT is a measure of the force of ________ on the mass of an object
Newton’s Second Law
WEIGHT is a measure of the force of ________ on the mass of an object
measured in __________
gravity
Newtons

8. Newton’s Second Law
(draw the triangle)
An object with a mass of 5 kg accelerates 8.0 m/s² when an unknown force is applied to it. What is the amount of the force?
40 N

9. Newton’s Second Law
(draw the triangle)
An object accelerates 4.0 m/s² when a force of 7.2 N is applied to it. What is the mass of the object?
1.8 kg

10. Newton’s Second Law
(draw the triangle)
An object with a mass 3.0 kg has a force of 10.5 newtons applied to it. What is the resulting acceleration of the object?
3.5 m/s²

11. Newton’s Second Law
(draw the triangle)
An object accelerates 8 m/s² when a force of 20.8 newtons is applied to it. What is the mass of the object?
2.6 kg

12. Newton’s Second Law One rock weighs 5 Newtons.
The other rock weighs 0.5
Newtons. How much more
force will be required to
accelerate the first rock
at the same rate as the second rock?
Ten times as much