forces and motion

Front

At point P, _______.

Back

Hooke's Law ceases to be valid

Front

At point P, _______.

Back

Hooke's Law ceases to be valid

Front

Hooke's Law: If F is force, k is spring constant, and x is extension, what is the relationship?

Back

F=kx

Front

When does Hooke's Law fail for a material?

Back

elastic limit

Front

Graph of extension against force for an elastic material

Back

A straight line from the origin

Front

A stiff material has a:

Back

high spring constant

Front

A force of 400 N is applied to stretch a spring with a spring constant of k=100 N/m. How much does the spring stretch past its free length?

Back

4 m

Front

A force of F=500 N is applied to extend a spring. What is the extension x of the spring if its spring constant is k= 500 N/m?

Back

1 m

Front

What is the unit of Spring Constant?

Back

N/m

Front

If the original length of a spring is 20m and its extended length is 30m. What is the extension?

Back

10m