Moment = Force x distance (M=F* d)

1. Calculate the following moments:

a) Force of2N, 30cm away from the pivot

b) Force of 1.25N, 0.28 away from the pivot

c) Mass of 250, acting 50cm away from the pivot (convert to weight first)

Step-by-step explanation:

a)2×30=60J

b) 1.25×0.28 = 0.35J

lockers 1, 4, 9, 16, 25, 40, and 49 are open

i ran through it by the other answer is wrong

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!