Mechanics - Forces on Slopes

Created: November 20, 2021

Flashcards

2021-11-20

PHOTO FORCE ON SLOPE ANGLE What is the angle beneath the red block?
\[3\text{kg}\]

PHOTO FORCE ON SLOPE RESULTANT SIMPLE What is the resultant force in this diagram, assuming no resistive forces?
\[3g\sin(30^\circ)\]

PHOTO FORCE ON SLOPE RESULTANT RESISTIVE What is the resultant force in this diagram?
\[2g\sin(20^\circ) - 2\]

PHOTO FORCE ON SLOPE RESULTANT ANGELED RESISTIVE What is the resultant force in this diagram?
\[5g\cos(60^\circ) - mg\sin(30^\circ)\]

2022-01-20

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

It will flip direction when the object flips direction.



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