You want to calculate the net force acting on an ice skater who is speeding up while skating. Which of these is a force you would not add in to calculate the net force?

upward vertical force from the ice that supports the skater

force that the skater exerts on the ground

force exerted on the skater by the ground in reaction to the force the skater

exerts on the ground

gravity

Suppose you have a box. which of these is not necessarily a true statement regarding the relationship between the force applied to the box, the work done on the box, and the distance the box is moved? a. if the box is not moved, no force is being applied to the box. b. if no force is applied to the box, no work is done on the box. c. if work is done on the box, then a force is applied to the box. d. if work is done on the box, then the box is moved a distance.

What is the average speed of a car that travels 40 mph for 1 hour and 60 mph in another hour?

Four 5-gram blocks of metal are sitting out in the sun and absorb the same amount of heat energy. use the following specific heat capacity data to determine which block will increase its temperature the most.