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Search Results for traction - All Grades

20 questions match "traction". Refine Your Search

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College Symptoms, Diagnosis, and Treatments
Grade 4 Spelling
Choose the correct spelling.
  1. tracshun
  2. trackshun
  3. traction
  4. tracshion
Continuing Education Driving and Road Safety
Grade 12 Cosmetology
Grade 7 Forces and Motion
What is friction?
  1. A force
  2. A substance
  3. A solid
  4. A gas
Continuing Education Commercial Driving
What is hydroplaning?
  1. A term used for quickly planning an alternate route due to heavy rain.
  2. When tires lose their contact with the road and have little or no traction due to water on the road.
  3. The amount of traction a truck has due to the weight of the vehicle on slippery surfaces.
  4. A water spill on the road that came from a water truck.
Continuing Education Commercial Driving
Retarders are used:
  1. To help reduce the need for using your brakes
  2. Because they are safer to use in town
  3. With poor traction and can help to reduce the chance of skidding
  4. Automatically for safety
Grade 9 Simple Machines
Tithi builds a ramp that allows her carry the enormous bags of money she made as a bioengineer up to her front door. She calculates that the ramp has an efficiency of 32%. What would be the best way to increase the efficiency of the ramp?
  1. increase her effort force
  2. increase the length of the ramp
  3. push the bags instead of pulling them
  4. place the bags on something with wheels
  5. use sandpaper to make the ramp rough so she gets more traction
Grade 8 Magnetism and Electricity
Which of the following results in a decrease of friction?
  1. applying more force when scrubbing a dirty pot
  2. oil added to a car engine to lubricate moving parts
  3. deep tread on snow tires to increase traction
  4. scrubbing food from a dish with the rougher side of the sponge
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