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- 1. Multiple ChoiceWhat is the unit called that measures force?weightmeterNewtonkilogram
- 2. Multiple ChoiceWhat does friction produce?lightsoundheatgravity
- 3. Multiple ChoiceThe force that acts in the opposite direction of motion when two surfaces come in contact.ForceFrictionStaticKinetic
- 4. Multiple ChoiceWhat direction does friction act relative to motion?in the same directionin the opposite directionneed more informationdepends on the force
- 5. Multiple ChoiceWhat is the force of friction between a block of ice that weighs 950 N and the ground if μ = .12?65 N226 N175 N114 N
- 6. Multiple ChoiceWhat is the coefficient of static friction if it takes 44 N of force to move a box that weighs 86 N?0.780.510.78 N0.58 N
- 7. Multiple ChoiceA box takes 40 N to start moving when the coefficient of static friction is .54. What is the weight of the box?81 N18 N98 N74 N
- 8. Multiple ChoiceWhat are the units on the coefficient of friction?noneNewtonsmeterskilograms
- 9. Multiple ChoiceWhat are the units on the force due to friction?noneNewtonsmeterskilograms
- 10. Multiple ChoiceWhat is the coefficient of static friction for steel on steel?0.570.740.420.53
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