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A 10kg mass is resting on a horizontal s...

A 10kg mass is resting on a horizontal surface and horizontal force of 80N is applied. If `mu = 0.2`, the ratio of acceleration without and with friction is `(g = 10ms^(-2))`.

A

`(3)/(4)`

B

`(4)/(3)`

C

`(1)/(2)`

D

`(4)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`F_("net")=ma, a_(1)=(F)/(m), a_(2)=(F-mu_(k)mg)/(m)`
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