Who is the host of the video series 'Dr. Skateboard's Action Science'?

• Ryan Nyquist

• Bill Robertson

• Tony Hawk

• Shaun White

What is the main focus of the video series?

• Music and skateboarding

• Cooking recipes

• Physical science concepts in skateboarding and BMX

• History of skateboarding

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What do simple machines help riders do?

• Repair their equipment

• Perform tricks

• Reduce their weight

• Increase their speed

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How is work defined in the context of physical science?

• The distance an object moves

• The speed at which an object moves

• The amount of time taken to move an object

• The amount of force applied to move an object in the direction of the force

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When is work accomplished in action sports?

• When the rider is stationary

• When the rider stops

• When the object moves

• When the rider jumps

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What is the formula to calculate work?

• Work = Force + Distance

• Work = Force / Distance

• Work = Force x Distance

• Work = Distance / Force

What do complex machines like skateboards and BMX bikes consist of?

• No simple machines

• More than one simple machine

• Only electronic components

• Only one simple machine

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How is power defined in the context of physical science?

• The amount of force applied

• The rate at which work is done

• The distance covered

• The time taken to perform work

What happens to power if a rider takes less time to accomplish a run?

• Power decreases

• Power is not affected by time

• Power remains the same

• Power increases

If a BMX rider has a force of 550 Newtons, covers a distance of 10 meters, and does this in 5 seconds, how much power does he generate?

• 55 Watts

• 110 Watts

• 5500 Watts

• 1100 Watts

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