A student investigates a spring.

The Figure shows the spring before and after a weight is hung from it.

Figure

Calculate the extension of the spring in metres.

Use the equation: $constant×extension\text{force exerted by a spring} = \text{spring constant} \times \text{extension}$

Calculate the spring constant of the spring.

Use the equation: $constant×(extension)2\text{energy transferred in stretching} = \dfrac{1}{2} \times \text{spring constant} \times (\text{extension})^2$

Calculate the energy stored in the spring when the weight is hung from it.

The weight is removed and the spring returns to its original length.

Describe what happens to the energy that was stored in the spring.

A student investigates a spring.

The Figure shows the spring before and after a weight is hung from it.

Figure

Calculate the extension of the spring in metres.

Use the equation: $constant×extension\text{force exerted by a spring} = \text{spring constant} \times \text{extension}$

Calculate the spring constant of the spring.

Use the equation: $constant×(extension)2\text{energy transferred in stretching} = \dfrac{1}{2} \times \text{spring constant} \times (\text{extension})^2$

Calculate the energy stored in the spring when the weight is hung from it.

The weight is removed and the spring returns to its original length.

Describe what happens to the energy that was stored in the spring.

7.1 Work done

Question 2

Markscheme

7.1 Work done

Question 2

Markscheme

7.1 Work done

Question 2

7.1 Work done Questions

7.1 Work done

Question 2

7.1 Work done Questions