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Search Results for friction - All Grades

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Grade 6 Forces and Motion
Which of the following is true?
  1. static friction = sliding friction
  2. sliding friction > Static friction
  3. rolling friction = static friction
  4. static friction > sliding friction
Grade 6 Forces and Motion
What kind of force makes it difficult to start moving an object?
  1. heat friction
  2. static friction
  3. rolling friction
  4. sliding friction
Grade 9 Forces and Motion
The friction that opposes two surfaces sliding past each other is
  1. rolling friction
  2. static friction
  3. sliding friction
  4. mass friction
Grade 9 Forces and Motion
Grade 9 Forces and Motion
The friction between two surfaces that are not moving past each other is
  1. sliding friction
  2. static friction
  3. gravitational friction
  4. rolling friction
Grade 8 Forces and Motion
Grade 9 Forces and Motion
Cars have difficulty stopping on ice because of
  1. rolling friction.
  2. sliding friction.
  3. fluid friction.
  4. centripetal force.
Grade 8 Forces and Motion
Resistance created when one object rolls over another one.
  1. rolling friction
  2. air friction
  3. momentum
Grade 7 Forces and Motion
What is friction?
  1. A force
  2. A substance
  3. A solid
  4. A gas
Grade 8 Forces and Motion
What is friction?
  1. force that opposes motion
  2. force of attraction between two objects
  3. amount of force exerted due to gravity
  4. rate at which an object changes motion
Grade 8 Forces and Motion
An example of rolling friction is
  1. using oil to lubricate
  2. wheels on your skateboard
  3. dragging your sister across the floor on a blanket
  4. the little mermaid swimming through the ocean
Grade 4 Forces and Motion
Grade 5 Forces and Motion
A stand-off in an arm wrestling match is due to
  1. sliding frictional forces.
  2. rolling frictional forces.
  3. fluid frictional forces.
  4. balanced forces.
Grade 9 Energy and Momentum
What causes mechanical energy to change to thermal energy?
  1. air resistance and friction
  2. friction and conservation
  3. conservation and air resistance
  4. energy and friction
Grade 5 Forces and Motion
An example of rolling friction is
  1. a stack of cartons being pushed across a floor.
  2. the use of ball bearings.
  3. the fall of a feather through the air.
  4. sand placed on an icy sidewalk.
Grade 3 Forces and Motion
Gravity and friction are examples of                 .
  1. motions.
  2. simple machines.
  3. forces.
  4. distances.
Grade 5 Forces and Motion
Friction is a force that keeps
  1. two objects together
  2. objects that are touching each other from sliding past each other easily
  3. objects from touching
  4. none of the above
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