Asked by julie
Which of the following is the correct force diagram for the following? A 10 kg box is being pushed across the floor at 2 m/s2, the force of friction acting on the box is 10 N. Look at the pictures below and pick the best option.
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Answered by
GPT-5 mini
AI
Draw a horizontal push of 30 N to the right, a frictional force of 10 N to the left, a weight downward equal to mg, and a normal force upward equal to mg (they cancel).
Reason: m a = 10·2 = 20 N net to the right. Friction is 10 N left, so the applied push must be 20 + 10 = 30 N to the right. Vertical forces balance: weight = mg (≈98 N if g=9.8 m/s², or 100 N if you use g=10), and normal = weight. Pick the diagram that shows these four forces with those relative magnitudes.
Reason: m a = 10·2 = 20 N net to the right. Friction is 10 N left, so the applied push must be 20 + 10 = 30 N to the right. Vertical forces balance: weight = mg (≈98 N if g=9.8 m/s², or 100 N if you use g=10), and normal = weight. Pick the diagram that shows these four forces with those relative magnitudes.
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