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- 1. Multiple Choice
Friction is an example of _____________
contact force
non contact force
both of these
none of these
- 2. Multiple Choice
The direction of force of friction is always _____ to the direction of motion
same
opposite
unchanged
none of these
- 3. Multiple Choice
Without friction, an object in motion would never stop.
true
false
- 4. Multiple Choice
Frictional force depends on ____
surface area in contact
roughness of surface
both a and b
none of the above
- 5. Multiple Choice
Wheels on a skateboard most likely experiences-Rolling FrictionSliding FrictionFluid FrictionStatic Friction - 6. Multiple ChoiceSally experiences-Rolling FrictionSliding FrictionFluid FrictionStatic Friction
- 7. Multiple ChoiceWheels of a shopping cart experience-Rolling FrictionSliding FrictionFluid FrictionStatic Friction
- 8. Multiple ChoiceSwimming fish experience-Rolling FrictionSliding FrictionFluid FrictionStatic Friction
- 9. Multiple ChoiceWhat type of friction is not moving?staticslidingfluidrolling
- 10. Multiple ChoiceHow can friction be reduced?reduce the force acting between the 2 surfacesreduce the roughness of the 2 surfaces coming in contactuse wax, grease or oilall of the above are ways of reducing friction
- 11. Multiple ChoiceWhat are 2 factors that determine the amount of friction between 2 objects?Force and roughness between surfaceshills and valleys and how smooth or rough the surface isAmount of force and amount of surface the comes in contactThe force and the weight exerted on the surfaces
- 12. Multiple ChoiceWhat is the net force?5 N45 N to the left5 N to the right45 N to the right
- 13. Multiple ChoiceWhich one is balanced?topbottomboth
- 14. Multiple ChoiceWhat is the FORCE?5 N10 N400 N0 N
- 15. Multiple ChoiceWhat is the unit for FORCE?N (Newtons)lbs (pounds)g (grams)m/s (meters per second)
- 16. Multiple Choice
How do you find the net force of this image.
Add up all the arrows
Add a green arrow and the orange arrow.
Subtract all the arrows.
Add the green arrows and subtract the orange arrow.
- 17. Multiple ChoiceCalculate the net force of the object in the image shown.20N35N5N25N
- 18. Multiple ChoiceIs this a balanced or unbalanced force?BalancedUnbalancedNeitherBoth
- 19. Multiple ChoiceStudents are playing tug-of-war. If group B pulls the rope to the right with a force of 400 N and group A pulls the rope to the left with a force of 250 N, what will happen to the ribbon in the middle of the rope?The ribbon will move to the left and group A will win the tug-of-war.The ribbon will move to the left and group B will win the tug-of-war.The ribbon will move to the right and group B will win the tug-of-war.The ribbon will move to the right and group A will win the tug-of-war.
- 20. Multiple ChoiceCalculate the net force shown in the diagram?0N400 N600 N800 N
- Answer choicesTagsAnswer choicesTags