A 7.00-kg mass is placed on a 28.0° incline and friction keeps it from sliding. The coefficient of static friction in this case is 0.574, and the coefficient of sliding friction is 0.528 . What is the frictional force in this situation?
a. 32.2 N
b. 60.6 N
c. 32.0 N
d. 34.8 N
e. 3.29 N
a
You might also like to view...
The orbits of most asteroids:
A) lie beyond Neptune. B) lie entirely beyond the orbit of Mars. C) cross the orbit of Mars. D) cross the orbit of Earth. E) cross the orbits of all four terrestrial planets.
What is Kirchoff’s law?
What will be an ideal response?
Why is Mars' surface red?
a) because little green men painted it that way b) because its surface is mostly made of lava ejected from its giant volcanos c) because there is more ammonia than methane on the surface of Mars, unlike on the Jovianplanets Uranus and Neptune d) because the soil is iron rich and the iron reacted with oxygen in the early atmosphereto make rust e) because the carbon dioxide rain strikes the surface and reacts
Light enters water (n = 1.33) from air. The incident light ray makes a 0.44° angle with the normal to the surface on the air side. What will be the angle made with the normal by the refracted ray on the water side?
A. Nearly 90° B. 1.58° C. 0.188° D. 0.33°