As a car goes up a hill, there is a force of friction between the road and the tires rolling on the road. The maximum force of friction is equal to:
a. the weight of the car times the coefficient of kinetic friction.
b. the normal force of the road times the coefficient of kinetic friction.
c. the normal force of the road times the coefficient of static friction.
d. zero.
Question 2
A 250-kg crate is placed on an adjustable inclined plane. If the crate slides down the incline with an acceleration of 0.25 m/s2 when the incline angle is 25, then what should the incline angle be for the crate to slide down the plane at constant speed? Note: g = 9.8 m/s2.
a. 12
c. 24
b. 21
d. 29
Hill plots for oxygen binding to myoglobin and hemoglobin
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Use your thumbs to apply circular friction over the wrist bones, with recipient’s palm down.
Reach from behind to apply circular friction to the temples on both sides.
Hill plots of oxygen binding for myoglobin and hemoglobin under physiological conditions
Physics - Illustrate how you understand charging by rubbing or friction