3 years ago

What force pulled the leaf to the ground

Physics

1 answer:

Kruka [31]3 years ago

7 0

Gravitation force

cheers

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A car travels around a level, circular track that is 750m across. What coefficient of friction is required to ensure the car can

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The coefficient of friction must be 0.196

Explanation:

For a car moving on a circular track, the frictional force provides the centripetal force needed to keep the car in circular motion. Therefore, we can write:

$\mu mg = m\frac{v^2}{r}$

where the term on the left is the frictional force acting between the tires of the car and the road, while the term on the right is the centripetal force. The various terms are:

$\mu$ is the coefficient of friction between the tires and the road