How much work is done when a 5 N force moves a block 4 m?

Rank the torques on the five doors shown in the figure above from least to greatest. note that the magnitude of all the forces is the same

Why is there friction between objects

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers