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- 1. Multiple ChoiceHow does friction affect speed?more friction decreases speedmore friction increases speedless friction decreases speed
- 2. Multiple ChoiceThe rougher the surface, the faster an object will travel over the surface.TrueFalse
- 3. Multiple ChoiceWhen most objects with smooth surfaces rub, there is less friction.TrueFalse
- 4. Multiple ChoiceFriction is a force that acts in an ___________ direction of movement.similaroppositeparallelwest
- 5. Multiple ChoiceWhat does friction produce?lightsoundheatgravity
- 6. Multiple Choice
Which of the following answers is the most scientific answer for the question:
What is friction?
The random force between two solids, liquids, or gases.
The contact force between two solids, liquids, or gases that slide past one another.
The thing that creates static electricity
A force that is random
- 7. Multiple Choice
When there is friction, the energy of an object's motion is converted into _______ energy
heat
kinetic
stronger
friction
- 8. Multiple Choice
Which of the following is NOT an example of friction?
using the brakes on your bike to slow you down
putting your hand out the window
a satellite traveling through deep space
a hockey puck going across an ice rink
- 9. Multiple Choice
This car is turning, but there’s a puddle of water in the road. Which diagram best shows how the puddle will affect the path of the car after it hits the puddle?
- 10. Multiple ChoiceA puck slides along an icy surface. What makes it slow down?It runs out of pushIt rubs against the iceIt runs out of electricity
- 11. Multiple ChoiceOn which surface will a toy car travel the furthest?CarpetPolished WoodIce
- 12. Multiple ChoiceRougher surfaces have ...greater frictionless frictionthe same level of friction
- 13. Multiple Choice
Which of the following statements is false?
Friction can only slow things down
Friction is never useful
Friction can stop things from moving
- 14. Multiple ChoiceMovers slide a box down the ramp of a truck.
What helps slow the box as it slides to the bottom of the ramp?frictiongravityinertiamagnetism - 15. Multiple Choice
Only solids can produce friction
true
false
- 16. Multiple Choice
The motion of an object will change when an unbalanced force is applied to it
true
false
- 17. Multiple Choice
What is acceleration?
transfer of energy to an object
going faster
a change in velocity (speed, direction, or both)
an object remaining in motion or at rest until something changes it
- Answer choicesTagsAnswer choicesTags