### Ultimate Trivia Quiz On Friction Force When one body tries to move to another body, in response to the applied force, an opposing force called frictional force is produced and works in the opposite direction. Static friction is the type of friction that exists when two objects touch each other in the event of a break. It has a limiting value called Limiting Friction which is the minimum required to move the body from the position of rest. It is equal to a lower force. When the external force F increases, the level comes when the body is just on the verge of moving, at this stage, the force of friction is at its maximum, the limiting house. The amount of corrosion depends on the nature and condition of the polished surface of the two exposed surfaces. As long as the normal reaction remains the same, the amount of friction is independent of the area and size of the exposed surfaces. Friction 'F' Is directly proportional to the normal reaction 'R' between the two surfaces in contact.

#### 1. Adhesion is the _______________ force resulting when two materials are brought into close contact with each other.

 34919 Molecular force 34920 Chemical force 34921 Magnetic force 34922 None of these

#### 2. Which is the causes of Friction?

 34923 Resistive force are molecular adhesion 34924 Surface roughness 34925 Deformations 34926 All of above

#### 3. Which of the following are the types of Friction?

 34927 Static friction 34928 Sliding friction 34929 Rolling friction 34930 All of above

#### 4. Friction changes the energy of an object from kinetic energy to ________ energy.

 34931 Stored 34932 Solar 34933 Heat 34934 All of above

#### 5. In which way, friction can be reduced?

 34935 Using a wheel 34936 Using oil 34937 Using grease 34938 All of above

#### 6. The measurement of the amount of friction a surface will generate is called the '__________ of friction'.

 34939 Calibration 34940 Coefficient 34941 Smoothness 34942 No anyone of above

#### 7. A bowling ball on a bowling lane is an example of what type of friction?

 34943 Static Friction 34944 Dry friction 34945 Rolling friction 34946 Fluid friction

#### 8. A child sliding down the slide at a park is an example of which type of Friction?

 34947 Static Friction 34948 Dry friction 34949 Rolling friction 34950 None of these

#### 9. A block sitting still on the side of a ramp is an example of what type of friction?

 34951 Static Friction 34952 Rolling friction 34953 Fluid friction 34954 Dry friction

#### 10. When was friction force invented?

 34955 In 1483 34956 In 1493 34957 In 1473 34958 In 1403

#### 11. Air resistance on a flying airplane is an example of what type of friction?

 34959 Rolling friction 34960 Fluid friction 34961 Dry friction 34962 Static Friction

#### 12. Who invented Friction force?

 34963 Newton's 34964 Albert Einstein 34965 Leonardo da Vinci 34966 None of these

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