Solving the Swing Tension: A 25kg Child's Story

[tnutty]

Homework Statement

A 25 kg child is swinging on a 3.5 m swing. At the bottom of the swing
the speed of the child is moving at 3.3 m/s. What is the tension on the
swing’s chain to hold the child?

Homework Equations

The Attempt at a Solution

Can you help me i am confused about this.

 

[tiny-tim]

A 25 kg child is swinging on a 3.5 m swing. At the bottom of the swing
the speed of the child is moving at 3.3 m/s. What is the tension on the
swing’s chain to hold the child?
…
Can you help me i am confused about this.

Hi tnutty!

The child is moving in a circle.

The forces on the child are the tension in the chain and the force of gravity.

Use good ol' Newton's second law to relate these forces to the child's acceleration.