Physics · Laws of Motion

A 50 N sled rests on a horizontal surface. A horizontal pull of 10 N is required just to start the sled moving. After motion has started, a 5 N force is needed to keep the sled moving with a constant velocity. The coefficients of static and kinetic friction are, respectively:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

10.15, 0.20
20.10, 0.15
30.20, 0.10✓
40.10, 0.20

Correct answer

0.20, 0.10

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A 50 N sled rests on a horizontal surface. A horizontal pull of 10 N is required just to start the sled moving. After motion has started, a 5 N force is needed to keep the sled moving with a constant velocity. The coefficients of static and kinetic friction are, respectively:

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A 50 N sled rests on a horizontal surface. A horizontal pull of 10 N is required just to start the sled moving. After motion has started, a 5 N force is needed to keep the sled moving with a constant velocity. The coefficients of static and kinetic friction are, respectively:

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