Multiple Choice
A small branch is wedged under a rock and rests on a smaller object.The smaller object is 2.0 m from the large rock and the branch is 10.0 m long.If the mass of the branch is 20.0 kg what force must be exerted on the smaller rock?
A) 490 N
B) 200 N
C) 49 N
D) 50 N
Correct Answer:

Verified
Correct Answer:
Verified
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