Answer is A) Fulcrum
The fixed point that a lever rotates around is called the fulcrum.
Answer:
The centripetal acceleration is given by
a
=
v
2
r
=
10
2
25
=
4
m
s
−
2
Using Newton's Second Law, the centripetal force acting is
F
=
m
a
=
900
⋅
4
=3600
N
Explanation:
Answer:
D
Explanation:
It is important that we have two variables, Independent
and Dependant Variable.
Potential energy U = mgh
Given h = 123 m,
mg = F = 780 N
Then
U = (123)(780)
= 95940
= 9.59 x 10^4
The freezing point ..... :)
