Mechanics - Forces on Slopes

Created: November 20, 2021

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Flashcards

2021-11-20

What is the angle beneath the red block?

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$$3\text{kg}$$

What is the resultant force in this diagram, assuming no resistive forces?

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$$3g\sin ({30}^{\circ })$$

What is the resultant force in this diagram?

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$$2g\sin ({20}^{\circ })-2$$

What is the resultant force in this diagram?

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$$5g\cos ({60}^{\circ })-mg\sin ({30}^{\circ })$$

2022-01-20

What will happen to the direction of friction for an object moving up a slope but accelerating downwards?

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It will flip direction when the object flips direction.

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