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Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction

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Page 1: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction
Page 2: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction

ForcesWhat is a Force?

Push or Pull

What does it do?

Causes Motion

How do we describe it? Size (magnitude) Direction

Page 3: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction

What are the 7 simple machines?

• Lever• Inclined Plane Wedge Screw• Wheel and Axle Gear Pulley

Page 4: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction

Why do we use simple machines?

• To make life easier!

• Simple Machines change forces:

change the direction

change the size

change both

Page 5: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction

How do they work?

• Conservation of Energy Work and Energy are related

• Scientific Definition of Work

Work = Force x Distance distance in direction of force

Page 6: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction

Lever

Page 7: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction

Incline Plane

Page 8: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction

Wedge

Page 9: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction

Screw

Page 10: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction

Wheel and Axle

Page 11: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction

Gears

Page 12: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction

Pulley

Change Force Direction

Same Force Size

Page 13: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction
Page 14: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction
Page 15: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction
Page 16: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction
Page 17: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction
Page 18: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction
Page 19: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction
Page 20: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction
Page 21: Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction

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