WONDER #817: How Fast Can You Zip Through the Air?

Question 1 of 3

Zip lines feature a pulley system that helps to reduce what force?

1. acceleration
2. friction
3. gravity
4. momentum

Question 2 of 3

Wildlife biologists use zip lines to help study the forest what?

1. floor
2. tree
3. bird
4. canopy

Question 3 of 3

Some zip lines can propel you through the air at speeds of up to how many miles per hour?

1. 10
2. 35
3. 65
4. 100

Check your answers online at https://www.wonderopolis.org/wonder/How-Fast-Can-You-Zip-Through-the-Air.