Homework Help: Physics

Posted by Sam on Wednesday, October 1, 2008 at 10:44pm.

A testing laboratory wants to determine if a new widget can withstand large acceleration and decelerations. To find out, they glue a 5.0kg widget to a test stand that will drive it vertically up and down. At 0 seconds the widget is at an acceleration of 19.6m/s^2. It reaches 0 at 1/2 a second and drops to -19.6m/s^2 by 1 sec The widget decelerates at 39.2m/s^2 every second.

a) Identify the forces acting on the widget and draw a free body diagram.

I'm already stuck here. I know there's a normal force and a gravitational force.

b) Determine the value of ny, the y-component of the normal force acting on the widget during the first second of motion. Give your answer as a graph of ny versus t.

Why is there a y-component to the normal force? Since it's accelerating vertically wouldn't there be no x-component, therefore the y-component would be the whole normal force?

No one has answered this question yet.

Answer this Question

Related Questions

Physics - A testing laboratory wants to determine if a new widget can withstand ...
Intro to Probability - Widgets are produced at a certain factory by each of ...
Financial Apps Algebra - the fixed costs of producing a wild widget are $34000. ...
algebra - the acme widget company has $13,000 available for making widgets. part...
calc - Please help me you guys, this is the 3rd time I have posted this question...
English - Please check for any errors. Let me know if i need to place commas ...
biology - Cell City Analogy By Shannan Muskopf In a far away city called Grant ...
calc - A widget factory has fixed costs of 35 billion dollars and variable costs...
Calculus (Help) - Can you please help me with this problem? I asked earlier, but...
math - A widget factory has fixed costs of 35 billion dollars and variable costs...

For Further Reading

First Name:
School Subject:
Answer: