9. For each situation draw a before and after free body diagram and fil in the table with (+, -, or 0). a. An elevator moves up at constant speed: We W.. AK b. A box slides up a frictionless slope: AK 10. The left end of a spring is attached to a wall. When Bob pulls on the right end with a 200N force, he stretches the spring by 20 cm. The same spring is then used for a tug-of-war between Bob and Carlos. Each pulls on his end of the spring with a 200 N force. (a) how far does Bob's end of the spring move? (b) How far does Carlos's end of the spring move? 11. When a 65 kg cheerleader sands on a vertical spring, the spring compresses by 5.5 cm. When a second cheerleader stands on the shoulders of the first, the spring compresses and additional 4.5 cm. What is the mass of the second cheerleader?

College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter4: Dynamics: Force And Newton's Laws Of Motion
Section: Chapter Questions
Problem 24PE: The wheels of a midsize car exert a force of 2100 N backward on the road to accelerate the car in...
icon
Related questions
Question

Hi can you do number 9 please

Page
3
>
of 4
ZOOM
+
9. For each situation draw a before and after free body diagram and fill in the table with (+, -, or 0).
En
Fn Lock: On
a. An elevator moves up at constant speed:
Wen
W.
grav
W
ΔΚ
b. A box slides up a frictionless slope:
W norm
W grav
ΔΚ
10. The left end of a spring is attached to a wall. When Bob pulls on the
he stretches the spring by 20 cm. The same spring is then used for a tug-of-war between Bob
end with a 200N force
and Carlos. Each pulls on his end of the spring with a 200 N force. (a) how far does Bob's end of
the spring move? (b) How far does Carlos's end of the spring move?
11. When a 65 kg cheerleader sands on a vertical spring, the spring compresses by 5.5 cm. When a
second cheerleader stands on the shoulders of the first, the spring compresses and additional
4.5 cm. What is the mass of the second cheerleader?
Transcribed Image Text:Page 3 > of 4 ZOOM + 9. For each situation draw a before and after free body diagram and fill in the table with (+, -, or 0). En Fn Lock: On a. An elevator moves up at constant speed: Wen W. grav W ΔΚ b. A box slides up a frictionless slope: W norm W grav ΔΚ 10. The left end of a spring is attached to a wall. When Bob pulls on the he stretches the spring by 20 cm. The same spring is then used for a tug-of-war between Bob end with a 200N force and Carlos. Each pulls on his end of the spring with a 200 N force. (a) how far does Bob's end of the spring move? (b) How far does Carlos's end of the spring move? 11. When a 65 kg cheerleader sands on a vertical spring, the spring compresses by 5.5 cm. When a second cheerleader stands on the shoulders of the first, the spring compresses and additional 4.5 cm. What is the mass of the second cheerleader?
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
Knowledge Booster
Free body diagram
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
College Physics
College Physics
Physics
ISBN:
9781938168000
Author:
Paul Peter Urone, Roger Hinrichs
Publisher:
OpenStax College
Glencoe Physics: Principles and Problems, Student…
Glencoe Physics: Principles and Problems, Student…
Physics
ISBN:
9780078807213
Author:
Paul W. Zitzewitz
Publisher:
Glencoe/McGraw-Hill
Inquiry into Physics
Inquiry into Physics
Physics
ISBN:
9781337515863
Author:
Ostdiek
Publisher:
Cengage