A block is attached to a horizontal rope that exerts a variable force , where x is in m. The coefficient of kinetic friction between the block and the floor is Initially the block is at rest at . What is the block’s speed when it has been pulled to ?
The speed of the block when it is pulled to
The weight of the block
Force exerted by the block to a horizontal rope
The coefficient of kinetic friction between the block and the floor
The work done on the mass acted upon by a variable force in moving from
Work done on the block is given by
Object is stationary while objects are in motion. Forces from object of work on object of work on object . Forces from the environment do of work on object of work on object . Objects do not interact. What are if
(a) objects are defined as separate systems and
(b) one system is defined to include objects and their interactions?
94% of StudySmarter users get better grades.Sign up for free