Forces: Home

ABC Education videos about forces:

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Pushing and Pulling

Move a series of different animals from a boat to their new home in a zoo.

Put them on a cart, then use monkeys to push or pull them up a hill.

The animals have different weights, so you'll need to consider how much monkey-force you'll need.

If you use too little force the animal won't move. If you use too much — disaster!

There are three levels of difficultly to choose from.

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It's A Drag

Have you ever noticed differences in the way vehicles such as cars, vans and loaded trucks brake?

What do you think affects that? Investigate in this primary science game.

Choose a driving speed, type of vehicle, tyres, road surface (gravel, dirt, bitumen), and weather.

Then, when you get a red light, apply the brakes.

Compare the stopping distances of different vehicles under these controlled conditions.

After that, you'll be ready to answer a few questions about friction, tyres and driver fatigue.

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Wild Ride: Get A Grip

Do you ride a bike? If you do, where do you ride it, and what sort of tyres does it have?

Investigate the role of friction in performance of bicycle tyres.

Test how the type of tread affects grip and speed.

Choose tyres best suited to track and weather conditions in a time trial.

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Use the Encyclopedia Britannica button (above) to search for the following articles:

• Force
• Friction
• Motion
• Magnet and magnetism