Question

Blocks A and B each have a mass m. Determine the largest horizontal force P which can be applied to B so that A will not move relative to B. All surfaces are smooth.

Answer 1

The answer is "15 N".

Step-by-step explanation:

Please find the complete question in the attached file.

In frame B:

For just slipping:

`\to (P)/(2) \cos \theta =mg \sin \theta\\\\\to P=2 mg \tan \theta \\\\`

`=2 * 1 * g * \tan 37^(\circ)\\\\ =2 * 10 * (3)/(4)\\\\ =15 \ N`