If you are rock climbing and you place your feet against the wall (while holding a rope)what is the direction of the friction force exerted by the wall on your feet? (a) downward (b) upward (c) out from the wall (d) into the wall
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If you are rock climbing and you place your feet against the wall (while holding a rope)what is the direction of the friction force exerted by the wall on your feet?
(a) downward
(b) upward
(c) out from the wall
(d) into the wall
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