Forces.

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Presentation transcript:

Forces

Think How can you recognize a force? List some ideas that let you know a force is present. What are some action words (verbs) that refer to forces or may describe motion, which is caused by a force?

Do Put a book between you and a partner. Gently push from both sides of the book. Have one person push slightly harder than the other, balance the forces (push equally from both sides), then switch.

Sketch Make a drawing of the opposing forces on the book. Use arrows to illustrate the forces that were exerted (length of arrow relates to the amount of force).

more force from left more force from right balanced force

Research Force: a push or pull which can cause motion. Agent: the object which applies the force. Receiver: the object which receives the force from the agent.

Procedure For each of the following slides identify the agent of force (A), the receiver of force (R), and the effect of the force (E). A= R= E=

a.

b.

c.

d.

e.

f.

g.

Activity Go to each of the six lab stations and follow the directions on the card at the station. For each station record the agent (A), receiver (R), & effect (E) of the force.