Respuesta :

Answer:

11760N

Explanation:If the boulder is at rest and not going up or down we would take the 1200 kg and multiply it by 9.8 because

(sum)F = ma and since a is 0 the equation goes to

Fn - mg= 0 an that simplifies to

Fn=mg

Answer:

The normal force points upward and is 11,760 N

Explanation:

Resting on the ground = upward

1200 * 9.8 = 11, 760

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