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Types of Frictional Forces in Physics

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Questions and Answers

What type of frictional force holds an object in place?

Static friction (correct)
Dynamic friction
Kinetic friction
Opposing friction

Which of the following best describes kinetic friction?

A force that holds an object in place
A force that pushes an object forward
A force that decreases an object's weight
A force that opposes an object's motion (correct)

When walking or running, which type of frictional force are you primarily using?

Static friction (correct)
Kinetic friction
Dynamic friction
Opposing friction

What determines the amount of friction an object's surface has?

The object's coefficient of friction and weight (B) Signup and view all the answers

If you slide your feet or ice skate, which type of frictional force are you utilizing?

Kinetic friction (A) Signup and view all the answers

How can the coefficient of static friction be calculated?

By dividing the static frictional force by the object’s weight (C) Signup and view all the answers

What is the correct way to calculate the coefficient of kinetic friction?

Divide the kinetic frictional force by the object’s weight (D) Signup and view all the answers

What should you do to convert grams to kilograms?

Divide by 1000 (D) Signup and view all the answers

When a shoe is pulled with an increasing force until it begins to move, what is the value that indicates the maximum static friction?

The value on the spring scale before it begins to move (D) Signup and view all the answers

Which type of shoe would likely have the highest coefficient of friction based on the information provided?

The shoe with a higher static friction value (C) Signup and view all the answers