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to find friction force do you use the equation n=mg

4) A 1200 kg car is accelerating at 1.6 m/s2. If the coefficient of friction of friction is 0.15, what is the force applied to
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2. asked by Anonymous
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a 2 kg mass accelerates at 20 m/s/s while being pushed by a 44 N force. Find the force of friction.Net force = Force pushing -
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2. asked by leafprincess
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You push your couch a distance of 3.8 m across the living room floor with a horizontal force of 180.0 N. The force of friction
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2. asked by Gina
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The co-efficient for static friction for a 5 kg box on a floor is .72. How much force if required to start the box sliding?I
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2. asked by CC
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A grinding wheel of radius 0.280 m rotating on a frictionless axle is brought to rest by applying a constant friction force
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2. asked by Anonymous
3. 855 views
A grinding wheel of radius 0.370 m rotating on a frictionless axle is brought to rest by applying a constant friction force
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2. asked by Anonymous
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The man pushes with a force of 200 N. The child and sled combo has a mass of 30 kg and the coefficient of static friction is
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2. asked by Jem
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A horizontal force of 28.5 N will just start the motion of a 65 N block. A force of 23 N is needed to keep it moving at a
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2. asked by Stefan
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to find friction force do you use the equation n=mg cos
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2. asked by physics LSU
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A girl pushes her little brother on his sled w/ a force of 35N for 840s. How much work does she do if the force of friction I'd
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2. asked by Kayla
3. 790 views