Question

Q2)
Complete the following sentences:
a. If two equal forces act in the opposite directions on an object, the net force acting on it is
b. It is easier to cut with a sharp knife than with a blunt one because
C. Porters place a round piece of cloth on their heads, when they have to carry heavy loads
because​

Answer 1

Explanation:

a, ans is zero b, sharp knife has thin surface area

C, to obtain larger surface area