1. ax 0 m A mass m (10 kg) placed on a frictionless incline of angle 20° is accelerating down the incline with an acceleration a. (a) Fx,net=max is given by (b) Fy,net = ma, is given by A. mg = ma B. mgsin0 = ma C. mgcos 0 = ma D. N-mgcos=0 E. N-mgcos = ma With respect to the coordinate axes shown in the figure, select the Newton's Second Law in the x and y directions from the list below. ✪ ņ
1. ax 0 m A mass m (10 kg) placed on a frictionless incline of angle 20° is accelerating down the incline with an acceleration a. (a) Fx,net=max is given by (b) Fy,net = ma, is given by A. mg = ma B. mgsin0 = ma C. mgcos 0 = ma D. N-mgcos=0 E. N-mgcos = ma With respect to the coordinate axes shown in the figure, select the Newton's Second Law in the x and y directions from the list below. ✪ ņ
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:1.
A mass m (10 kg) placed on a frictionless incline of angle 20º is accelerating down the incline
with an acceleration a.
(a) F
With respect to the coordinate axes shown in the figure, select the Newton's Second Law in
the x and y directions from the list below.
x, net
ak
0
= max is given by
m
(b) Fy,net = may is given by
A. mg = ma
B. mgsin0 = ma
C. mgcos = ma
D. N-mgcos 0 = 0
E. N-mgcose = ma

Transcribed Image Text:(c) Use the equations in parts (a) & (b) to calculate the magnitude of acceleration a of m down
the incline.
Enter to 2 significant figures
m/s²
a =
(d) Calculate the magnitude of N.
Enter to 2 significant figures
N =
✔N
Think: If you had to lift an object to the top of the incline, in which case you would have to
apply a smaller force, lifting the object up vertically or pushing it up the incline? Why do you
think ramps were used in building pyramids in Egypt?
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