( an adverse sign due to the fact that of authorize convention, out ward hopeful in ward ingative)

For the length r_m we deserve to write

therefore,

rm = r sin θ

τ = -r sin θ F

Further explanation

Torque (moment the force) v respect come the pivot point P is identified as the product that the magnitude of the pressure F and also the moment"s arm

τ = together . F

The torque can be clockwise or counterclockwise (counterclockwise significant +, clockwise marked -)

For objects v 2 or more forces, the complete torque is:

Στ = τ1 + τ2 + ... τn

From pictures attached

τ = -rm x F

rm = (arm pressure which is perpendicular to the occupational line)

⇒ negative sign because the talk is clockwise to the suggest P

while the size of the arm pressure rm:

rm = r sin θ

tangential force

static equilibrium

Newton"s Law

Ohm"s regulation tells you that i = v/r wherein v is identical voltage and also r is tantamount resistance of the circuit due to the fact that all circuits have actually the same voltage, your inquiry is really questioning which circuit has the lowest complete resistance, due to the fact that the reduced the resistance, the greater the existing circuit a has a resistance the 5 ohms; circuit c is in series so has a resistance the 10 ohms; circuit b is in parallel and also therefore has a resistance that 2.5 ohms (review your notes on adding resistances in parallel and series); therefore b has actually the greatest current

Answerthe distance between the 2 ends of the galaxy is 150,000 irradiate years;

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Find rm, the length of the moment arm of the force. Express your answer in regards to l and also θ....

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