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- 1. Multiple Choice
What causes 2 magnets to attract?Both poles are northThey are opposite polesBoth poles are southThere are no poles - 2. Multiple ChoiceHow much force will it take to raise the weight on the pulley?50 newtons125 newtons100 newtons75 newtons
- 3. Multiple ChoiceWhich is true about energy?Energy can cause motionEnergy cannot be storedEnergy can be destroyedEnergy cannot be stored
- 4. Multiple ChoiceWhat does the picture show about magnetic force?it can act on all kinds of materialsit is a very weak forceit always stops the motion of an objectit can act over a distance
- 5. Multiple ChoiceWhat does this diagram show?jumping will cause the object to moveno force is need to put an object in motionan object will go in the direction of the force appliedobject will go in opposite direction of the force applied
- 6. Multiple ChoiceWhat kind of energy does this give off?light energysound energyheat energyelectrical energy
- 7. Multiple ChoiceWhat can you do to make this wagon move?add more newspapersput marbles in the wagonget into the wagonpull on the wagon
- 8. Multiple ChoiceWhat force is used in a compass?gravitationalmagnetica pullelectric
- 9. Multiple ChoiceWhat type of energy is shown in this picture?light energymechanical energywind energysound energy
- 10. Multiple ChoiceWhy is the cloth in the middle not moving?Force A is strongerForce B is strongerForce A and Force B are the same directionForce A is equal to Force B
- 11. Multiple ChoiceWhat kind of energy does this roller coaster car have because it is in motion?chemical energylight energymechanical energyelectrical energy
- 12. Multiple ChoiceWhat force is acting upward on the girl?frictionher weightgravityher seat
- 13. Multiple ChoiceAfter rubbing a nail on a magnet, other small nails are attracted to the larger nail. Why?the large nail becomes stickythe large nail becomes magnetized and attracts other nailssmaller nails are always attracted to bigger nailsrubbing the nail on magnet increases its gravitational force
- 14. Multiple ChoiceWhat type of energy does this give off?only lightonly heatonly electricalboth light and heat
- 15. Multiple ChoiceWhat is the reason the car travels down the ramp?the ramp is magneticthe car has wheelsthe force of gravity pulls the carthe car is a very weak magnet
- 16. Multiple ChoiceThe girl hits the ball to make it move. How is the force of gravity different from the force of the bat on the ball?The girl can use the bat to exert different amounts of force on the bat whereas the force of gravity is always the sameThe bat can change the motion of the ball whereas gravity does notthe bat has to touch the ball wheras gravity does notthe force of the bat can be exerted in air whereas gravity can only be exerted underground
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