Question

14.A block of wood is placed on a surface. A force is applied parallel to the surface
to move the body. The frictional force developed acts
(a) normal to the surface upwards
(b) normal to the surface downwards
(e) along the direction of the applied force
(d) opposite to the direction of the applied force
plane making an angle of 30​

Answer 1

Answer:

bdjrjrbrnfnfnj bidyut fodbkfnekendn,

Explanation:

sbejejejdjjdbd dbrbrbrbrbe do