Practice Force And Laws Of Motion (8) - Force and Laws of Motion

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8 questions

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2 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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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a force?
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Think about how you can move things.
Question 2.
What happens when balanced forces act on an object?
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Consider a box pushed equally on both sides.
3Question 3.
What keeps an object at rest?
- A net force
- An unbalanced force
- Balanced forces
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Think about whether forces are equal or not.
4Question 4.
True or False: A large mass requires less force to move than a small mass.
- True
- False
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Consider how mass affects acceleration.
Question 5.
An object of mass 10 kg is accelerated at 2 m/s^2. Calculate the net force applied.
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Use the formula F=ma.
Question 6.
A truck has a mass of 3000 kg and is subjected to an unbalanced force of 6000 N. What is its acceleration?
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Apply Newton's second law, F=ma, rearranged to find a.

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