Parallel and normal forces Find the components of the vertical force F = 〈0, −10〉 in the directions parallel to and normal to the following inclined planes. Show that the total force is the sum of the two component forces. 46. A plane that makes an angle of θ = tan − 1 4 5 with the positive x -axis
Parallel and normal forces Find the components of the vertical force F = 〈0, −10〉 in the directions parallel to and normal to the following inclined planes. Show that the total force is the sum of the two component forces. 46. A plane that makes an angle of θ = tan − 1 4 5 with the positive x -axis
Parallel and normal forcesFind the components of the vertical forceF = 〈0, −10〉 in the directions parallel to and normal to the following inclined planes. Show that the total force is the sum of the two component forces.
46. A plane that makes an angle of
θ
=
tan
−
1
4
5
with the positive x-axis
A basket of flowers of mass 3 kg is placed on a flat grassy slope that makes an angle θ with the horizontal. The coefficient of static friction between the basket and the slope is 0.45 and the basket is on the point of slipping down the slope.
Model the basket of flowers as a particle and the grassy slope as a plane. Take the magnitude of the acceleration due to gravity, g, to be 9.8 m s−2
Express the forces in component form, in terms of θ and unknown magnitudes where appropriate. Write down the equilibrium condition for the basket and hence show that tan θ = 0.45. Determine the angle, in degrees, that the slope makes with the horizontal.
The end of the boom in the figure shown is subjected to three concurrent and coplanar forces. Determine the magnitude and direction of the resultant force measured counterclockwise from the positive x-axis. The slope triangle for F2 is 3 for vertical and 4 for horizontal.
Two electrons r meters apart repeleach other with a force ofF = 23 * 10-29/ r2 newtons. Suppose one electron is held fixed at the point (1, 0) on the x-axis (units in meters). How much work does it take to move a second electron along the x-axis from the point (-1, 0) to the origin?
Chapter 13 Solutions
MyLab Math with Pearson eText -- Standalone Access Card -- for Calculus: Early Transcendentals (3rd Edition)
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