A 200-N sled of slides down a frictionless hillside that rises at 37° above the h magnitude of the normal force that the surface of the hill exerts on the sled? A) 200 N

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Author:Raymond A. Serway, Chris Vuille
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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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3. A 200-N sled of slides down a frictionless hillside that rises at 37° above the horizontal. What is the
magnitude of the normal force that the surface of the hill exerts on the sled?
A) 200 N
B) 120 N
C) 160 N
D) 150 N
E) 0N
Final formula:
Required steps:
1) Draw free body diagram
2) Choose reference frame
3) Find vectors components
4) Apply Newton's 2nd law
5) Solve for FN algebraically
6) Check units
7) Substitute numerical values
4. A 50.0-kg crate is being pulled along a horizontal smooth surface. The pulling force is 10.0 N and is
directed 20.0° above the horizontal. What is the magnitude of the acceleration of the crate?
A) 0.0684 m/s2
B) 0.188 m/s2
C) 0.200 m/s2
D) 0.376 m/s2
E) 0.0728 m/s2
Final formula:
Required steps:
Transcribed Image Text:3. A 200-N sled of slides down a frictionless hillside that rises at 37° above the horizontal. What is the magnitude of the normal force that the surface of the hill exerts on the sled? A) 200 N B) 120 N C) 160 N D) 150 N E) 0N Final formula: Required steps: 1) Draw free body diagram 2) Choose reference frame 3) Find vectors components 4) Apply Newton's 2nd law 5) Solve for FN algebraically 6) Check units 7) Substitute numerical values 4. A 50.0-kg crate is being pulled along a horizontal smooth surface. The pulling force is 10.0 N and is directed 20.0° above the horizontal. What is the magnitude of the acceleration of the crate? A) 0.0684 m/s2 B) 0.188 m/s2 C) 0.200 m/s2 D) 0.376 m/s2 E) 0.0728 m/s2 Final formula: Required steps:
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