Answer with Explanation:
We are given that
Force acts on a pebble=
N
Position vector=
m
a.We have to find the resulting torque on the pebble about origin.
Torque=
Substitute the values then we get

Torque=
N-m
By using 
b.

Torque about point (2,0,-3)

N-m
Is there a question? Because All your doing t explaining a british philosopher to us..
Answer:
Explanation:
The forces compare together as a result of the fact that the force exerted by that of the ball and the force exerted by that of the wall both have the same magnitude.
its B 0.225kPa using the formula p=f/A then change the pascals into kpa
Answer:
Greatest Achievements of Mankind
-Declaration of Human Rights.
-United Nations.
-Leonardo Da Vinci's Mona Lisa.
-Michelangelo's Pieta.
-The Works of William Shakespeare.
-Technological achievements.
-The First Flight.
(please mark brainliest if correct/helped you <3)