Practice Introduction To Laws Of Motion (3.1) - Laws of Motion

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9 questions

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3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Define motion in your own words.
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Think about how objects change their location.
Question 2.
What unit measures force?
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Consider who Newton is and his scientific contributions.
3Question 3.
What does motion refer to?
- Resting position of an object
- Change in position over time
- Force applied to an object
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Think of how you notice a friend's movement.
4Question 4.
True or False: A push or pull is called inertia.
- True
- False
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Differentiate between force and the concept of sticking in place.
Question 5.
A skateboarder of mass 60 kg wants to accelerate and achieve a speed of 5 m/s. If they need a force of 75 N to do this, is this possible?
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Use the formula to derive acceleration and then rearrange to find time needed.
Question 6.
If you have two objects—one weighing 1 kg and the other weighing 3 kg—both dropped from the same height, which will hit the ground first, and why?
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Think about Newton's universal law of gravitation and how it applies to falling objects.

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