Table of Contents
- 1 What are two forces that act when a person rides a bicycle?
- 2 How do you calculate the speed of the Earth around the sun?
- 3 At what speed in km/s does the Earth move around the sun distance between Earth and sun is ≈ 150 million km?
- 4 What percentage of the world’s population can ride a bicycle?
- 5 What type of turning motion is a bicycle wheel?
- 6 How does centripetal acceleration affect the direction of motion of a bicycle?
What are two forces that act when a person rides a bicycle?
There are 4 forces that act on a cyclist and determine how fast the cyclist moves – propulsion, gravity, rolling resistance and aerodynamic drag. These four forces interact in various mixes with the conditions in which the cyclist is riding – wind, terrain, road surface, etc.
How do you calculate the speed of the Earth around the sun?
Therefore, the length of Earth’s orbit is 16π light minutes (C=2πR). The Earth covers that distance in 1 year. A year has (365 days) x (24 hours) x (60 minutes) = 525,600 minutes in it. Therefore, the linear speed of the Earth in its orbital movement around the sun is (16π light minutes)/525,600 minutes.
At what speed in km/s does the Earth move around the sun distance between Earth and sun is ≈ 150 million km?
That is 30 km per second.
How do you find net force in the same direction?
- The net force acting on an object is the combination of all of the individual forces acting on it.
- If two forces act on an object in opposite directions, the net force is the difference between the two forces.
- If two forces act on an object in the same direction, the net force is the sum of the two forces.
What is the motion of wheel of a bicycle?
The motion of the wheel of a cycle is a circular motion.
What percentage of the world’s population can ride a bicycle?
Only people who own a bicycle know how to ride a bicycle. Only 25\% of the world’s population can afford a bicycle. Only 50\% of the population who can afford a bike actually purchase one. 90\% of the population who purchase a bike learn to ride it.
What type of turning motion is a bicycle wheel?
Initially it is vertical, as a bicycle wheel normally stands. Call this vertical turning motion. To begin with, someone spins the bicycle wheel. There is vertical turning motion in the bicycle wheel, but no horizontal turning motion of the platform.
How does centripetal acceleration affect the direction of motion of a bicycle?
This decreases θ due to the effect of centripetal acceleration. This in turn causes the bicycle to lean left (negative θ) which causes the front wheel to steer left (negative α ), which then causes the bike to travel in a circular path (towards the left), once more due to the effect of centripetal acceleration.
What type of motion is the bicycle wheel gyroscope?
This is conservation of angular momentum. In the bicycle wheel gyroscope demonstration, there are two possible turning motions. The platform the person stands on turns like a wheel on its side. Call this horizontal turning motion. The other turning motion is the bicycle wheel the person is holding.