A rubber-wheeled 80 kg cart rolls down a 25° concrete incline. What is the cart's acceleration if rolling friction is (a) neglected (b) included ( friction .002) ? %3D

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3. A rubber-wheeled 80 kg cart rolls down a 25° concrete incline.
What is the cart's acceleration if rolling friction is
(a) neglected
(b) included ( friction .002) ?
Transcribed Image Text:3. A rubber-wheeled 80 kg cart rolls down a 25° concrete incline. What is the cart's acceleration if rolling friction is (a) neglected (b) included ( friction .002) ?
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