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Determine the normal force for a laundry basket with a mass of 4.2 kg in each of the following situations

(a) at rest on a horizontal surface

_____ N

(b) at rest on a ramp inclined at 12° above the horizontal

__________ N

(c) at rest on a ramp inclined at 25° above the horizontal

________ N

(d) at rest on a ramp inclined at 45° above the horizontal

_______N

 

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