Difference between revisions of "Skill Set 04.1"
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| − | [[IB Physics Skill Sets | | + | [[Main Page]] > [[IB Physics Skill Sets]] > Skill Set 04.1 |
| + | <br /> | ||
| + | <br /> | ||
| + | ==About this page== | ||
| + | All images uploaded for this page must start with the string "Skill_Set_4.1_" so the image 16-38.jpg associated with chapter 4 should be uploaded as Skill_Set_4.1_16-38.jpg. This way we can avoid conflicts in the image directory, and we can find images easily.<br> | ||
| + | [[#top | Table of Contents]] | ||
| + | ---- | ||
| + | |||
| + | ==Problems== | ||
| + | ===1. A 362 gram object experiences an unbalanced force of 2.31 N. What is its acceleration? === | ||
| + | F = ma<br><br> | ||
| + | 2.31 N = (.362 kg)(a)<br><br> | ||
| + | a = 6.38 m/s<sup>2</sup><br><br> | ||
| + | [[#top | Table of Contents]] | ||
| + | ---- | ||
| + | |||
| + | ===2. A 0.459 kg ball stops from +31 m/s in a distance of +0.17 m. What net force acted on the ball? What direction is the force? === | ||
| + | |||
| + | [[#top | Table of Contents]] | ||
| + | ---- | ||
| + | |||
| + | ===3. Tycho exerts a force of 23 N sideways on a box and it moves at a constant speed. When he exerts 47 N of force, the box accelerates at 5.2 m/s/s in the direction he pushes. What is the box’s mass? === | ||
| + | |||
| + | [[#top | Table of Contents]] | ||
| + | ---- | ||
| + | |||
| + | ===4. A 1217 kg elevator moving 5.2 m/s downward stops in 1.17 s. What must be the tension in the supporting cable as it is stopping? === | ||
| + | |||
| + | [[#top | Table of Contents]] | ||
| + | ---- | ||
| + | |||
| + | ===5. A 63.0 kg mass accelerates at 2.16 m/s/s down a 35.0o incline. What force must be acting along the plane for this to happen? What direction is the force? === | ||
| + | <blockquote> | ||
| + | Solution goes here | ||
| + | </blockquote> | ||
| + | [[#top | Table of Contents]] | ||
| + | ---- | ||
Latest revision as of 09:51, 20 February 2009
Main Page > IB Physics Skill Sets > Skill Set 04.1
Contents
- 1 About this page
- 2 Problems
- 2.1 1. A 362 gram object experiences an unbalanced force of 2.31 N. What is its acceleration?
- 2.2 2. A 0.459 kg ball stops from +31 m/s in a distance of +0.17 m. What net force acted on the ball? What direction is the force?
- 2.3 3. Tycho exerts a force of 23 N sideways on a box and it moves at a constant speed. When he exerts 47 N of force, the box accelerates at 5.2 m/s/s in the direction he pushes. What is the box’s mass?
- 2.4 4. A 1217 kg elevator moving 5.2 m/s downward stops in 1.17 s. What must be the tension in the supporting cable as it is stopping?
- 2.5 5. A 63.0 kg mass accelerates at 2.16 m/s/s down a 35.0o incline. What force must be acting along the plane for this to happen? What direction is the force?
About this page
All images uploaded for this page must start with the string "Skill_Set_4.1_" so the image 16-38.jpg associated with chapter 4 should be uploaded as Skill_Set_4.1_16-38.jpg. This way we can avoid conflicts in the image directory, and we can find images easily.
Table of Contents
Problems
1. A 362 gram object experiences an unbalanced force of 2.31 N. What is its acceleration?
F = ma
2.31 N = (.362 kg)(a)
a = 6.38 m/s2
Table of Contents
2. A 0.459 kg ball stops from +31 m/s in a distance of +0.17 m. What net force acted on the ball? What direction is the force?
3. Tycho exerts a force of 23 N sideways on a box and it moves at a constant speed. When he exerts 47 N of force, the box accelerates at 5.2 m/s/s in the direction he pushes. What is the box’s mass?
4. A 1217 kg elevator moving 5.2 m/s downward stops in 1.17 s. What must be the tension in the supporting cable as it is stopping?
5. A 63.0 kg mass accelerates at 2.16 m/s/s down a 35.0o incline. What force must be acting along the plane for this to happen? What direction is the force?
Solution goes here
