force diagrams what forces act on these objects?

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Force Diagrams What forces act on these objects?

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Force Forces are interactions between objects. Sometimes the objects have to be in contact but sometimes the objects can be at a distance. Gravity Throwing Shoving Punching Kicking Magnetism Friction Electric charge contact forces distance forces

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Page 1: Force Diagrams What forces act on these objects?

Force Diagrams

What forces act on these objects?

Page 2: Force Diagrams What forces act on these objects?

Force

A force is a PUSH or a PULL.

Gravity Throwing

Shoving

Punching

KickingFriction

Here are two more you may not have thought of...

Page 3: Force Diagrams What forces act on these objects?

Force

Forces are interactions between objects. Sometimes the objects have to be in contact but sometimes the objects can be at a distance.

Gravity Throwing

Shoving

Punching

Kicking Magnetism

Friction

Electric charge

contact forces distance forces

Page 4: Force Diagrams What forces act on these objects?

Force

Forces are measured in units called Newtons (N).

Use the spring scale to find out what a force of 1 Newton feels like.

Page 5: Force Diagrams What forces act on these objects?

Force

Forces have a magnitude (how strong)and a direction so we can represent forces with vectors (arrows).

5N

2N

Page 6: Force Diagrams What forces act on these objects?

Force

A force diagram shows all the forces acting on an object.

We represent the object itself as a dot.

. 5N2N

Page 7: Force Diagrams What forces act on these objects?

Force

Balanced forces cancel each other out. The sum of the forces, or NET force is zero. Unbalanced forces don't cancel out. The net force is something other than zero.

. 5N2N

Force diagram Balanced or unbalanced Net force

Page 8: Force Diagrams What forces act on these objects?

Force

. 5N2N

Force diagram Balanced or unbalanced Net force

.

.3N 1N

1N

3N

3N

Page 9: Force Diagrams What forces act on these objects?

Force Diagrams

Put a piece of paper between you and your partner.

Conduct an arm wrestle.

Draw a force diagram showing the forces acting on the paper.

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