Practice Energy (5.2) - Forces and Motion - IB 10 Sciences (Group 4)- Physics

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9 questions

Flashcard drill
4 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
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Define work in physics.
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Remember the formula involving force and distance.
Question 2.
What unit is used to measure energy?
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Think about the work done to lift an object.
3Question 3.
What happens when a force is applied but no movement occurs?
- True
- False
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Consider the definition of work.
4Question 4.
Kinetic energy increases with velocity. True or False?
- True
- False
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Think about the KE formula.
Question 5.
A child swings on a swing set. At the highest point, what form of energy is greatest, and at the lowest point?
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Think about changes in height and motion.
Question 6.
Calculate the power output of a machine that does 1500 Joules of work in 10 seconds.
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Apply the power formula.

5 more questions in this section. Enroll free to practise them all.