Question
Asked Oct 2, 2019
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Two blocks connected by a string are pulled across a
horizontal surface by a force applied to one of the blocks,
as shown below. The coefficient of kinetic friction between
the blocks and the surface is 0.25. If each block has an
acceleration of 2.0 m/s2 to the right, what is the magnitude F of the applied force?

 

F
60°
3.0 kg
1.0 kg
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F 60° 3.0 kg 1.0 kg

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Expert Answer

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Step 1
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Given info: 60 3.0 kg 1.0 kg m1 1.00 kg 3.00 kg m2 0=60° * a= 2 m s-2

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Step 2
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Formula used: According to Newton's second law, the net force acting on the body is given by: m.a= Σ. The friction is given by: f=μ. Ν

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Free body diagram for 1st body Free body diagram of 2nd body Fsin(60) N1 N2 Fcos(60) T f m-g mag Motion

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Tagged in

Science

Physics

Newtons Laws of Motion

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