100 N %3D 1 60° 30°

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter5: Newton's Law Of Motion
Section: Chapter Questions
Problem 89AP: In building a house, carpenters use nails from a large box. The box is suspended from a spring twice...
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F1
100 N
60°
30°
F2 = 140 N
Transcribed Image Text:F1 100 N 60° 30° F2 = 140 N
Two adults and a child want to push a wheeled cart in the direc-
tion marked x in Fig.
zontal forces F and F, as shown. (a) Find the magnitude and direction of
the smaliest force that the child should exert. Ignore the effects of friction.
(b) If the child exerts the minimum for e found in part (a), the cart ac-
celerates at 2.0 m/s² in the +x-direction. What is the weight of the cart?
The two adults push with hori-
Transcribed Image Text:Two adults and a child want to push a wheeled cart in the direc- tion marked x in Fig. zontal forces F and F, as shown. (a) Find the magnitude and direction of the smaliest force that the child should exert. Ignore the effects of friction. (b) If the child exerts the minimum for e found in part (a), the cart ac- celerates at 2.0 m/s² in the +x-direction. What is the weight of the cart? The two adults push with hori-
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