Question

Two wooden blocks of different masses (as shown in figure above)

are placed on the surface of a table. On which block you need to

apply more force to move it and why?​

Answer 1

Explanation:

(M+m)gtanβ

Let us take the wedge and block as a system,and assume that the acceleration of this system is a.

Then, P=(M+m)a.

Now working from the frame of reference of the block of mass m,a pseudo force has to be applied on this block.

equation of motion is-

Ncosβ=mg

Nsinβ=ma

dividing these equations we get

a=gtanβ

Also the block has to be at rest with respect to wedge,so it must have same acceleration as the system.

gtanβ=  

M+m

P

​

 

So, required P=(M+m)gtanβ.

Answer 2

Answer:

on the wooden block which have more mass

Explanation:

hence when mass will increase the need to apply will also increase