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  • Weight should be in Newtons.

  • Why?

    Because anyone attempting to explain the behaviour of a bike on a banked track needs to be clear on the difference between mass (which is measured in Kilograms) and weight (which is measured in Newtons). The author of the article seems to be a bit confused about this difference (paragraph 7 of the article).

    He says: '...an object with a mass of 80kg will also weigh 80kg'

    He means: 'an object with a mass of 80kg will also weigh 784.8 Newtons' (on Earth obvs where weight is equal to mass * g)

    Physics are typically in metric.

    I'm really sorry I don't understand what this means.

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