A 25N force is applied to a bar that can pivot around its end. The force is r=0.75 m away from the end of an angle at 0= 45. what is the torque on the bar? a. What is the direction of the torque.
b. what is the sign of the direction of the figure.

Which object is most likely represented by a dot?

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?