1.

A horizontal force ''F'' produces an acceleration of 6m//s^(-2) on a block resting on a smooth horizontal surface. The same force produces an acceleration of 3m//s^(-2) on a second block resting on a smooth horizontal surface. If the two blocks are tied together and the same force acts, the acceleration produced will be

Answer»

`9m//s^(-2)`
`2m//s^(-2)`
`4m//s^(-2)`
`(1)/(2)m//s^(-2)`

SOLUTION :`F=ma, (1)/(a)=(1)/(a_(1))+(1)/(a_(2))`


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