Monday

September 22, 2014

September 22, 2014

Posted by **Tried, but to no avail** on Thursday, May 24, 2012 at 3:16pm.

Please help

- Physics -
**Elena**, Thursday, May 24, 2012 at 6:12pmIf F= - (m•g)•j and r = (x) •I + (y) •j.

τ= - (m•g•x) [i x j] – (m•g•y)[j xj] = (m•g•x)•k.

i, j, k are the unit vectors of Cartesian coordinate system.

**Answer this Question**

**Related Questions**

AP Physics - At time t=0, a 2kg particle has position vector r=(5.0m)i+(-8.0m)j ...

physics - A PARTICLE OF MASS M IS SHOT WITH an initial velocity v making an ...

Physics-Torques - Suppose you have a meter stick with two masses attached. The ...

physics - A mass of 710 kg is located at the origin. A second mass, 44.0 kg, is ...

Physics - A solid uniform sphere has a mass of 2.0 104 kg and a radius of 1.5 m...

physics - A particle of charge Q is fixed at the origin of an xy coordinate ...

Physics - In unit-vector notation, what is the torque about the origin on a ...

Physics - In unit-vector notation, what is the torque about the origin on a ...

PHYSICS CIRCULAR MOTION GRAVITATIONAL CONSTANT - Three masses are arranged in an...

math (vectors) & physics - In unit-vector notation, what is the net torque about...