A 2.0 N force F is applied to a bar that can pivot around its end as shown below. The force is parallel to the bar and is r = 0.50 m away from the end.
What is the torque on the bar?

The brightest star in the night sky in the northern hemisphere is sirius. its distance from earth is estimated to be 8.7 light years. a light year is the distance light travels in one year. light travels at a speed of 3.00 × 108 m/s. calculate the distance from earth to sirius in miles. (1 mi = 5280 ft) g