Newton's Second Law

An object’s acceleration depends on its mass and on the net force acting on it (F=ma)

• Newton's 3rd Law

• Newton's 1st Law

• Newton's 2nd Law

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the overall force on an object when all the individual forces acting on it are added together.

• Balanced Force

• Unbalanced Force

• Net Force

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when one force is stronger than the other the result is motion. (the net force is NOT 0 N)

• Balanced Force

• Net Force

• Unbalanced Force

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the rate at which velocity changes over time; an object accelerates if its speed, direction or both change (a=F/m)

• Constant Velocity

• Acceleration

• Net Force

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the product of a body’s mass and it’s velocity p = m*v

• Inertia

• Momentum

• Net Force

Provide an example of Newton's 2nd Law

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What is the formula for the law of acceleration?

• M = F x A

• F = M x A

• A = F x M

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A 20 kg bike accelerates at 10 m/s².  What was the force?

• 25 Newtons

• 20 Newtons

• 200 Newtons

• 10 Newtons

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A net force of 15 N is exerted on an encyclopedia to cause it to accelerate at a rate of 5 m/s². Determine the mass of the encyclopedia?

•  m = 3.0 kg

• m = 4.0 kg 

• m = 3.0 ml 

• m = 30.0 g

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If an object is stationary (not moving) the forces acting upon it are _____________

• unbalanced

• weak

• balanced

• Hulk Smash!

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