Physics
A 5 kg block is attached via a rope to a dangle 2kg mass. Consider the case without friction. What angle would the ramp be for the 5kg block to experience zero acceleration?
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Answers
The angle of the ramp must be zero. This means that the ramp must be horizontal. If the ramp has a non-zero angle, then the 5kg block will experience a net force due to gravity, which will cause acceleration. Since the rope connecting the 5kg block and the 2kg mass is massless, there will be no force between them, and thus no acceleration. In this situation, the only way for the 5kg block to experience zero acceleration is for the ramp to be horizontal.
