Hollywood stars take to streets on innovative new bicycles

The video introduces Roscoe Karns, Marsha Hunt, and Buster Crabbe, who are involved in a demonstration. It then explains the mechanics of a machine, focusing on how the spring platform and eccentric rear wheel work together to propel it.

Who are the individuals mentioned as trying something in the video?

• Roscoe Karns, John Doe, and Buster Crabbe

• Marsha Hunt, Buster Crabbe, and Jane Doe

• Roscoe Karns, Marsha Hunt, and John Doe

• Roscoe Karns, Marsha Hunt, and Buster Crabbe

What is the purpose of the spring platform in the machine?

• To stabilize the machine

• To decorate the machine

• To propel the machine

• To slow down the machine

What works in conjunction with the spring platform to move the machine?

• The top wheel

• The eccentric rear wheel

• The front wheel

• The side wheel

What is the role of the eccentric rear wheel in the machine?

• To provide balance

• To propel the machine

• To slow down the machine

• To change direction

Which component is not mentioned as part of the machine's propulsion system?

• Spring platform

• Front wheel

• None of the above

• Eccentric rear wheel