Pre Test Force, Motion and Energy
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Question 1 of 8
1. Question
- The law of inertia applies to _______________.
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Question 2 of 8
2. Question
3. Which has more mass, a kilogram of feathers or a kilogram of iron?
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Question 3 of 8
3. Question
4. The force required to maintain an object at a constant speed in free space is equal to ________________.
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Question 4 of 8
4. Question
5.If you were in a space ship and fired a cannon ball into frictionless space, the amount of force needed to keep it going would be ________.
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Question 5 of 8
5. Question
6. You would have the largest mass of gold if your chunk of gold weighed 1 N on the __________.
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Question 6 of 8
6. Question
7. Suppose the force of friction on a sliding object is 10N. The force needed for it to maintain a constant velocity is _______________.
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Question 7 of 8
7. Question
8. Compared to its weight on earth, a 10-kg object on the moon will weigh ________.
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Question 8 of 8
8. Question
9. An apple weighs 1N. When held at rest above your head, the net force on the apple is _____________.
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