Tension and vector question


by penny0316
Tags: tension, vector
penny0316
penny0316 is offline
#1
Sep13-10, 01:30 AM
P: 1
1. The problem statement, all variables and given/known data
In an electricity experiment, a 1.30 g plastic ball is suspended on a 54.0 cm long string and given an electric charge. A charged rod brought near the ball exerts a horizontal electrical force vector F elec on it, causing the ball to swing out to a 21.0 angle and remain there.

1.) What is the magnitude of vector F?
2.)What is the tension in the string?

Any help would be appreciated!

3. The attempt at a solution
I honestly have no idea how to start it. A step by step on how to solve it would be nice but any help is appreciated.
Phys.Org News Partner Science news on Phys.org
NASA's space station Robonaut finally getting legs
Free the seed: OSSI nurtures growing plants without patent barriers
Going nuts? Turkey looks to pistachios to heat new eco-city
hunt_mat
hunt_mat is offline
#2
Sep13-10, 03:28 AM
HW Helper
P: 1,584
Draw a picture, put the forces on and resolve.


Register to reply

Related Discussions
Need vector help tension and magnitude Introductory Physics Homework 1
Vector Tension Problem Introductory Physics Homework 3
3d vector tension problem!!! Calculus & Beyond Homework 2
Tension (related to Fe) Question and Gauss Question Introductory Physics Homework 1
Tension question Introductory Physics Homework 2