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- 1. Multiple Choice
What is Static Friction?
Friction between two surfaces that are moving alongside each other
Friction between two stationary surfaces that occur as soon as we try to move them alongside each other
Friction between any number of surfaces
None of the Above
- 2. Multiple Choice
What is the correct comparison between static and kinetic friction among the following options?
Static friction is sometimes stronger and sometimes not.
Kinetic friction is usually stronger than static friction.
Static friction is usually stronger than kinetic friction.
Static and kinetic friction are equally strong.
- 3. Multiple Choice
Let Fa represent the force applied to push a box and Fb represent static friction between the floor and the lower surface of the box. Which of the following statement(s) are correct according to the said situation?
Fa=Fb=0
Fa=Fb
Fa<Fb
Fa>Fb
Fb<Fa
- 4. Multiple Choice
Object S is kept on a rougher surface as compared to that of T. Which of the following statements regarding static friction are incorrect?
Both S and T experience the same static frictional force.
Object S experiences a smaller static frictional force compared to that of Object T.
Both the object would not experience static frictional force of any kind.
Object S experiences a larger static frictional force than that of Object T.
- 5. Multiple Choice
Which of the feature is characteristic to that of a soft surface?
More frictional force
Less frictional force
Both A and B
Sometimes more and sometimes less
- 6. Multiple Choice
Static friction exists because various surfaces have imperfections and ------- occurs between the two surfaces, resulting in the need of -------- of the surfaces.
Adhesion, abrasion
Reaction, separation
Abrasion, separation
Separation, adhesion
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