Answer:
a) N = 9 Mg
, b)N_w = μ 9M
, c)
Explanation:
a) For this part we write the equations of trslacinal equilibrium
Axis y
N - Mg - 8M g = 0
N = 9 Mg
N = 9 11 9.8
N = 970.2 N
b) the force on the horizontal axis (x) som
fr -N_w = 0
fr = N_w
friction force is
fr = μ N
N_w = μ 9M
g
fr = 0.59 970.2
fr = N_w = 572,418 N
c) For this part we must use rotational equilibrium.
Στ = 0
We set a frame of reference at the bottom of the ladder and assume that the counterclockwise acceleration is positive
the weight of it is at its midpoint (L / 2)
- W L /2 cos 54 - 8M d_max cos 54+ NW L sin 54 = 0
8M d_max cos 54 = - W L / 2 cos 54 + NW L sin 54
d_max = L (-Mg 1/2 cos 54 + NW sin 54) / (8M cos 54)
d_max = L (-g / 16 + μ 9Mg / 8M tan 54)
d_max = L ( 9/8 μ g tan 54- g/16)
An object travels in a straight line, then comes to rest
<h2>
Answer: joules</h2>
Explanation:
From the first law of thermodynamics,
Δ=Δ+
Where is the heat given to the gas,
is the internal energy of the gas,
is the workdone by the gas.
When pressure is constant,
When pressure is constant,Δ
Where is pressure and is the volume of the gas.
Given
Δ
So,
Given that Δ
So,Δ
A group of protons and neutrons surrounded by electrons
I honestly think it's 18,000 N
Hope I helped!
<span>So if you started on the bench press with 8 reps of 225 pounds, but can now do 10 reps, and you've been able to achieve 10 reps for two workouts in a row, increase the weight.
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Theres a little exclamation......