Hooke's Law Review_Phy8PreComp

Front

What is Hooke's Law?

Back

Hooke's Law states that the extension of a spring is directly proportional to the force applied to it, provided the limit of proportionality is not exceeded.

Front

What is the formula for Hooke's Law?

Back

F = k * x, where F is the force applied, k is the spring constant, and x is the extension of the spring.

Front

What does the spring constant (k) represent?

Back

The spring constant (k) represents the stiffness of the spring; a higher value indicates a stiffer spring.

Front

If a spring has a spring constant of 50 N/m, how much force is needed to stretch it by 0.1 m?

Back

F = k * x = 50 N/m * 0.1 m = 5 N.

Front

What happens to the extension of a spring if the force applied is doubled?

Back

The extension of the spring also doubles, according to Hooke's Law.

Front

What is the unit of the spring constant (k)?

Back

The unit of the spring constant (k) is Newtons per meter (N/m).

Front

How does the number of coils in a spring affect its spring constant?

Back

Increasing the number of coils generally decreases the spring constant, making the spring less stiff.

Front

What is the relationship between force and extension in a spring?

Back

The relationship is linear, meaning that as force increases, extension increases proportionally, up to the limit of proportionality.

Front

What is meant by the 'limit of proportionality' in Hooke's Law?

Back

The limit of proportionality is the maximum force that can be applied to a spring while still obeying Hooke's Law; beyond this point, the spring may deform permanently.

Front

What type of material would have a high spring constant?

Back

A stiff material, such as steel, would have a high spring constant.