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10 February, 11:40

When a 40-n force, parallel to the incline and directed up the incline, is applied to a crate on a frictionless incline that is 30 above the horizontal, the acceleration of the crate is 2.0 m/s2, up the incline. the mass of the crate is:?

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  1. 10 February, 15:25
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    F = ma force is directed on the working surface so 40 = m x 2 hence m must be 20 units needed are probably kg
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