A particle P with mass 3 kg has position vector r (r = 2.5 m) and velocity v (v

Question

A particle P with mass 3 kg has position vector r (r = 2.5 m) and velocity v (v = 25.0 m/s) as shown in the figure. It is acted on by force F (F = 5.0 N). All three vectors lie in the xy plane.

A: About the origin, what is the z-component of the angular momentum of the particle?

B: About the origin, what is the z-component of the torque acting on the particle?

A particle P with mass 3 kg has position vector r (r = 2.5 m) and velocity v (v = 25.0 m/s) as shown in the figure. It is acted on by force F (F = 5.0 N). All three vectors lie in the xy plane. A: About the origin, what is the z-component of the angular momentum of the particle? B: About the origin, what is the z-component of the torque acting on the particle?

Explanation / Answer

A) L = m*r*v*sin150 = 93.75 kg m^2/s

B) T = r F sin30 = 6.25 Nm

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