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Watch what happens to the objects in this clip.

Think about what causes that in each case.

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Definition: A force is a push or pull (or twist) exerted on an object.

STUDY ALL DEFINITIONS VERBATIM!!

The unit in which we measure force is newtons (N).

The unit of force was named after sir Isaac Newton.

He is recognized as one of the most influential scientists of all times.

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INVESTIGATION 1:                  INVESTIGATING WHAT HAPPENS TO OBJECTS WHEN WE PUSH, PULL OR TWIST THEM.

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INVESTIGATION 1:                  INVESTIGATING WHAT HAPPENS TO OBJECTS WHEN WE PUSH, PULL OR TWIST THEM.

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Do this activity on page 3 of your Google Classroom FORCES Notes.

MATERIALS:

ball

block (wooden/foam/metal)

clay/play-dough

sponge

balloon (blown up)

INSTRUCTIONS:

Describe the effects of the forces you are applying in each instruction.

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From the last activity, we have seen that forces can have the following effects:
Forces can change the motion and speed of an object.
Forces can change the direction of an object.
Forces can change the shape of an object. This is called deformation.

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Look at the pictures in the table, describing an action in each case.

Decide if the force being exerted is a push or a pull and describe the effect of the force.

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http://phet.colorado.edu/sims/html/forces-and-motion-basics/latest/forces-and-motion-basics_en.html

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Forces act in pairs. We say that “for every action, there is an equal but opposite reaction”.
See diagrams on page 6 of your notes for examples.

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NEWTON'S THIRD LAW OF MOTION
If object A exerts a force on object B, then object B will experience an equal but opposite force on object A  -  of the same type

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Draw the force pairs acting on this bicycle while riding

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Draw the force pairs acting on this bicycle while riding

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You will now discover, through a series of activities you must perform, how forces work together in pairs.
Think about the types of forces you are exerting on objects in each scenario.
Finish this activity, then draw some conclusions about force pairs.

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EXPLAIN HOW THIS IS AN EXAMPLE OF NEWTON'S 3RD LAW.

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EXPLAIN HOW THIS IS AN EXAMPLE OF NEWTON'S 3RD LAW.

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In each given scenario in the exercise, label the action force and the reaction force.

We will mark the exercise in our next lesson.

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NEWTON SCALE IS AN APPLICATION OF HOOKE'S LAW

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NEWTON SCALE IS AN APPLICATION OF HOOKE'S LAW

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Stretch a spring, or a piece of metal, and it gets longer. This relationship is explained in this video, along with a method of investigating the behaviour of materials to produce a force-extension graph. If you would like to see more A Level Physics videos then please Subscribe to my channel to keep updated with new videos and to search the Playlists already created.

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ELECTROSTATIC VS GRAVITATIONAL FIELDS IN ACTION - BUILD YOUR OWN PARTICLE ACCELERATOR!  

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ELECTROSTATIC VS GRAVITATIONAL FIELDS IN ACTION - BUILD YOUR OWN PARTICLE ACCELERATOR!  