A gardener is moving dirt with a shovel. She must lift 1.0 k…
A gardener is moving dirt with a shovel. She must lift 1.0 kg of dirt into a bucket and the load arm is 1.50 m away from the pivot end of the shovel and the effort arm is 0.30 m (this is a third-class lever with g=9.8 m/s²). The effort force is:
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