Question

please answer this question .quality answer will be marked as brainliest. show the diagram also​

Answer 1

Answer:

$\huge\bold\red{ANSWER}$

Step-by-step explanation:

$\large{\underline{\rm{\red{SOLUTION :}}}}$

$\implies$  $\sf\blue{with\:respect\:to\:observer}$

  $\sf\blue{the\:block\:will\:be\:at\:rest}$

$\implies$  $\sf\blue{macos\phi=mgsin\phi}$

      $\sf\blue{a=\dfrac{gsin\phi}{cos\phi}}$

      $\sf\blue{a=gtan\phi}$