Yo help me pls what is 3n acting 0.2m from a pivort

Orque can be calculated by multiplying the force (n) applied at 90? to the lever arm at a distance (m) from the pivot point (point of rotation), the compound si unit for the torque is n? m. if the force (at 90? to the lever arm) applied is 15 n and it is applied at 2.0 m from the pivot point (point of rotation), what is the torque on the lever?

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

Asher cycles 12 miles in 16 hours. what is his speed?