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- 1. Multiple ChoiceThis type of force resist motion between two surfaces that are pressed togethercontactgravityfriction
- 2. Multiple ChoiceThe unit of force ism/sm/s^2newtonkg
- 3. Multiple ChoiceJupiter has about 317 times more mass than Earth. What can you infer from this fact?That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.That Jupiter’s and Earth’s gravitational forces are equal.Mass has no effect on the gravitational force between two objects
- 4. Multiple Choice
If these teams are pulling with the same amount of force what will happen?The boy in blue will win.They will not move at all.The boy in red will win.Both will fall down. - 5. Multiple ChoiceWhat is the force that causes objects to fall to Earth?Air resistanceGravityWater resistancePressure
- 6. Multiple ChoiceA car moving down the road is an example ofPotentialKinetic
- 7. Multiple ChoiceWhat kind of energy is represented in the picture?ThermalChemicalSoundNuclear
- 8. Multiple ChoiceThe potential energy stored in an atom's nucleus is called _______ energy.NuclearMechanicalElectricalPotential
- 9. Multiple ChoiceEnergy stored in the bonds between atomschemical energymechanical energykinetic energynuclear energy
- 10. Multiple ChoiceLightning during a thunderstorm is an example of what form of energy?RadiantElectromagneticMagneticElectrical
- 11. Multiple Choice
A simple machine is
simple in structure
makes work easier
makes work faster
All of the above
- 12. Multiple Choice
Axe is used for
to chop firewood
to lift load
to open the lid of a bottle
none
- 13. Multiple Choice
This simple machines is...
a lever
a pulley
an inclined plane
a wedge
- 14. Multiple Choice
There are ___________ simple machines.
4
5
1
6
- 15. Multiple Choice
The machines can be simple and complex.
TRUE
FALSE
- 16. Multiple ChoiceWhich of these is an example of a wedge?skateboardbroomstairsbutter knife
- 17. Multiple ChoiceWhich of these is not an example of an inclined plane?ladderstairswalldriveway
- 18. Multiple ChoiceWhat type of simple machine are these people using to move the wheel chair into the school bus?leverwedgeinclined planepulley
- 19. Multiple ChoiceSomething similar to a see-saw that can lift an object.WedgeScrewLeverWheel and Axle
- 20. Multiple Choice
A simple machine which helps move objects upward using pulling motion
pulley
lever
wheel & axel
Incline plane
wedge
- Answer choicesTagsAnswer choicesTags