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WorksheetsFriction
Total questions: 11
Worksheet time: 5mins
What is friction?
A type of force that occurs when two objects are attracted to each other due to their magnetic properties
The resistance experienced by an object when it moves through a vacuum
A process in which two objects come into contact and exchange electrons, resulting in the generation of static electricity.
The force that opposes the relative motion or tendency of motion between two surfaces in contact
How does friction affect the motion of an object?
Friction increases the speed of the object
Friction has no effect on the motion of an object
Friction decreases the speed of the object
Friction changes the direction of the object's motion
What is NOT a way to decrease friction?
Using vaseline to make a Rubik's cube turn faster
Using magnetic forces to lift a maglev train above its rails
Applying sand onto someone's hands to increase grip
Using pencils to move the object faster
Which action increases friction?
Using oil to lubricate the surfaces
Using air pressure to separate the surfaces
Using card paper instead of normal A4 paper as a surface
Using magnetic forces to repel the surfaces
Which surface would increase friction the most?
Sand paper
Foam
A4 Paper
Plastic wrapping
How can friction be reduced in a mechanical system?
By increasing the weight of the objects in contact
By increasing the surface area of the objects in contact
By applying a lubricant to the surfaces in contact
By increasing the speed of the objects in contact
What is the primary purpose of lubricants in reducing friction between two surfaces?
Lubricants increase the weight of the objects, thereby reducing friction.
Lubricants alter the color of the surfaces, reducing friction.
Lubricants change the shape of the surfaces, reducing friction.
Lubricants create a thin layer between surfaces, reducing friction by minimizing direct contact.
The (a) of contact of the surfaces does not affect the magnitude of friction
Ancient Egyptians used rolling (a) to move heavy stones more easily
What effect does the absence of friction have on the movement of objects?
Objects move faster without friction
Objects move slower without friction
Objects stop moving without friction
Objects change direction without friction
If friction suddenly ceased to exist in the world, which of the following consequences would be likely to occur?
Improved performance in sports and physical activities.
Enhanced efficiency in transportation and reduced fuel consumption
Increased ability to control and move vehicles or machinery
Increased difficulty in walking or sitting
