Bwhat do you get when you multiply an object's mass times the acceleration?

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

The system is released from rest with the cable taut, and the homogeneous cylinder does not slip on the rough incline. determine the angular acceleration of the cylinder and the minimum coeffi cient s of friction for which the cylinder will not slip.

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?