please answer the questions
Answers
Answer:
please give only one question
Answer:
1) a 6N
b 0N
c 14N
d 1N
2) friction force is both good and both bad because if there will be no friction no nothing will be able to stand in a still position and friction is bad because when our friction force is applied there is a bit of wearing and tearing of the object on which it is applied for example when we walk while wearing the slippers the soles of a slippers constantly get rubbed against the rock surface of earth which causes friction and the soles of shoes get torn after bit of time.
3) the edge of a cutting tool should be sharp and thin because the pressure is inversely proportional to the area. the more the area the less the pressure and the less the area the more the pressure
4) a) pic is not clear
b) is fluid friction