A cuboid of height 10 cm, width 5 cm and...

A cuboid of height 10 cm, width 5 cm and 8 kg is kept on a rough horizontal ground as shown . The ground is so rough that we can assume that the questions indicated below. A boy applies a horizontal force F at the top edge of the cuboid.

What is the friction force exerted by the ground in the previous question ?

`2N to `

`20 N larr`

`4N to `

`13.12 N larr`

Text Solution

Verified by Experts

`F-f =ma_(cx)=mh/2 alpha`
`20-f=8xx1/20xx60`
`f=4N to `

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