# An object with a mass of #8 kg# is hanging from an axle with a radius of #15 cm#. If the wheel attached to the axle has a radius of #60 cm#, how much force must be applied to the wheel to keep the object from falling?

The force is

The load L=(8g)N#

Radius of axle

Radius of wheel

Taking moments about the center of the axle

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To keep the object from falling, a force of approximately 314.16 Newtons must be applied to the wheel.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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