Friction Physics Quiz
Test your understanding of friction concepts including types of friction, factors affecting friction, and practical applications in everyday life and engineering.
Questions
Friction depends on the ____________ of surface.
- Smoothness
- Size
- Matter
- Color
Sliding friction is ______________ than static friction.
- Greater
- Less
- Equal
- Depends
Friction opposes the __________ between two surfaces in contact.
- Refractive motion
- Motion
- Rotary motion
- Relative motion
The frictional force exerted by fluids is also called
- Smug
- Slag
- Rung
- Drag
In which of the following activities friction is useful?
- Heating of moving bodies
- Movement of machine
- Wearing and tearing of shoe sole
- Walking on ground
Soapy water on floor would make it
- Difficult to walk
- More hygienic
- More clean
- Easier to walk
The shape of fish is streamlined to
- Increase fluid friction
- Facilitate breathing
- Change the direction
- Decrease fluid friction
Which of the following is a characteristic of friction?
- It can change the direction of motion
- It is a non contact force
- It works on only resting body
- It works opposite to the direction of motion
The force required to keep the object moving with same speed is a measure of
- Contact friction
- Sliding friction
- Static friction
- Rolling friction
It is difficult to walk of smooth surface due to
- Less friction
- More friction
- Without friction
- Absolute friction
Striking a matchstick produces fire by
- Friction
- Contact force
- Physical reaction
- Chemical reaction
If an object started moving, it would never stop if
- There is moderate friction
- There is low friction
- There is high friction
- There is no friction
A polished surface is
- Very slippery
- Entirely friction free
- Very rough
- Very high friction
All vehicles are designed to have shapes which
- Increase friction
- Reduces friction
- Neglect fluid friction
- Make fluid friction zero
It is difficult to write on polished surface with pencil because
- Friction prevents the movement of pencil
- Polished surfaces have no friction
- Polished surfaces have less friction
- Polished surfaces have high friction
Boats and ships have pointed tips to
- Increase the beauty
- Decrease friction due to liquid
- Increase friction due to liquid
- Make them more attractive
The sole of shoes becomes flat after using for a few months because of
- Wearing due to rough weather
- Wearing due to bad quality
- Wearing due to friction
- All of the above
When we attempt to move any surface, we apply a force to overcome
- Vander wall forces between surfaces
- Interlocking between surfaces
- Gravitational force
- Electrostatic forces between particles
It is easier to hold an earthen pot than a steel pot as
- Steel pot has more friction
- Earthen pot has less friction
- Earthen pot has more friction
- Steel pot is comparatively heavier
The frictional force on an object in a fluid depends on
- Density of fluid
- Mass of object
- Color of fluid
- Speed of object