- An experienced pilot can keep an engineless glider aircraft aloft for hours by using only the lift provided by rising air currents. Suppose during a flight an
upward force of 5.00 103 N is exerted on the glider. Simultaneously, the
glider experiences a forward force of 0.50 103 N. The gravitational force
acting on the glider and its pilot is 4.80 10N. Draw a free-body diagram of
the glider.

Asled is being held at rest on a slope that makes an angle θ with the horizontal. after the sled is released, it slidesa distance d1 down the slope and then covers the distance d2 alongthe horizontal terrain before stopping. find the coefficient ofkinetic friction μk between the sled and the ground, assumingthat it is constant throughout the trip. find the coefficient of kinetic frictionμk. express your answer in terms of someor all of the variables d1, d2, and θ.