A 35-kg child is traveling a 2.50 m/s when she enters the final section of the Giant Waterslide. That section is 5.0 m long and has a vertical drop of 4.0 m. The force of friction opposing the child's motion is 40.0 N. Determine the (a) loss of potential energy and (b) work done by friction in the this final section. c) Use the work energy principle to determine the child's velocity at the end of the section. Show Work

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the plateau is likely to turn into a desert do to corrosion.

force is based upon mass and acceleration.the statement is not always true.

it can be explained from newton's second law of motion.

as per newton's second law of motion the rate of change of momentum is directly proportional to the applied force and takes place along the direction of force.

mathematically it can be written as -

                                              ⇒      

here   k is the proportionality constant whose value is 1.

                                                            [a is the acceleration=dv/dt]

hence we see that force not only depends on mass and acceleration but also on velocity and rate of change of mass. force f will depend on mass and acceleration only when mass is constant.

hence the statement that force is based upon mass and acceleration is false.