NEWTONs LAWs

Describe the difference between BALANCED and UNBALANCED forces.

• Balanced force can stand on 1 leg.

• Unbalanced forces fall over.

• Unbalanced force has NET FORCE in 1 direction.

  Balanced Force cancels out.

• Unbalanced force will not move an object.

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You are playing tug-a-war. You are pulling with a Force of 15 N, your friend is pulling with a Force of 10 N. What is the Net Force?

• 15N x 10N= 150

• 15n+10N=15nN

• 150 n

• 15 N-10 N=5 N

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Newton's First Law states that, an:

If a 2000 kg car accelerates at a rate of 3 m/s squared, what is the force the engine applied to the car?

HINT: F = m x a

• 2000 kg + 3 m/s = 2003 kg/m/s

• 2000 kg x 3 m/s = 6000 N

• 2000/3 = 666.66

• 6000

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What is Newton's Second Law of Motion?

• The acceleration of an object is equal to the NET FORCE on the object divided by the MASS of the object.

• If you hit something hard, it moves.

• a = Fnet/m

• The more MASS of the object, the more NET FORCE it has.

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This is the UNIT of FORCE.

1 unit is = to?

• Gravity

  1 n = 1 kg x s/m

• an ISAAC.

  1 N = 1kg/m

• 1 ton

• a NEWTON.

  1 N = 1 kg x m/s^2

For every action, there is an equal and opposite reaction.

Which of Newton's Laws is this?

• Newton's 2nd Law

• Newton's 3rd Law

• Newton's 1st Law

• Newton's 10th Law

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All Forces on an object combined are called?

• Newtons

• Neutrons

• None Ya Force

• Net Force

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This picture is an example pf what?

This picture show what?