Question

2. A block of mass 4kg lies at rest on a smooth plane which is
angled at 25° to the horizontal. It is kept in place by a light
string which is angled at 15° to the plane. Find the tension, T,
in the string and the normal reaction, R, of the plane on the
block.​

Answer 1

Answer:

hcjsejchseiufvndsnrhdhdhdhdbdbd f rjebdd

Explanation:

yggifdxufftigrjijdtjdehrsqjlf

Answer 2

Explanation:

normal reaction=40cos25°

tension on string=40sin25°/cos15°