Tension: Example
About the Lecture
The lecture Tension: Example by Jared Rovny, PhD is from the course Force.
Included Quiz Questions
A construction worker pulls a 2 kg box by a rope on a frictionless surface. The rope makes an angle of 60 degrees with the direction of motion of the box. The acceleration of the box is 3 m/s². What is the tension in the rope?
- 12 N
- 15 N
- 16 N
- 10 N
- 8 N
A 12 kg mass on a slope attaches to a rope. The rope goes over a pulley at the top and connects to a 20 kg mass. If the slope has an angle of 45º with the horizontal and the masses start from the rest, how far will the 20 kg mass fall in 10 seconds?
- –180 m
- 120 m
- 185 m
- -120 m
- 130 m
A 60 kg circus performer suspends from four wires high above the crowd. The wires make an angle of θ with the ceiling. Which of the following describes the vertical component of the tension force of each wire?
- 147 N
- 588 N
- 15(9.8)sinθ N
- 60(9.8)sinθ N
- 50(9.8)sinθ N
These courses may be of interest to you
Author of lecture Tension: Example
Jared Rovny, PhD
Customer reviews
5,0 of 5 stars
| 5 Stars |
|
5 |
| 4 Stars |
|
0 |
| 3 Stars |
|
0 |
| 2 Stars |
|
0 |
| 1 Star |
|
0 |
