cram

Question 1

what is the principle of moments

Answer 1

for a system to be in equilibrium, the sum of clockwise moments must be equal to the sum of the anticlockwise moments

Question 2

what are newtons laws of motion

Answer 2

1: if no resultant force acts on an object, its movement will be constant
2: f = ma
3: for every action there is an equal and opposite reaction