Post- Test Flashcards
(16 cards)
TRUE OR FALSE: Moving a book to a lower shelf DECREASES its potential energy.
True
The potential energy of an object depends on its ____________________ and it’s ____________________.
mass, height
TRUE OR FALSE: A compressed spring does not have elastic potential energy.
False
If an object is on top of a hill or in a position raised above the ground, it must have ____________________.
gravitational potential energy
A kite stuck in a tree has ____________________ energy due to its position.
potential
Compare and contrast kinetic energy and potential energy. QUESTION: Which statements best describe the similarities and differences between kinetic energy and potential energy?
- Kinetic energy and potential energy are two forms of energy.
- Kinetic energy is the energy of motion. Potential energy is stored energy.
- Kinetic energy depends on the mass and speed of an object. Gravitational potential energy depends on the mass, height, and gravitational acceleration of an object.
Potential energy is ____________________ energy.
stored
Which statements best describe how you could DECREASE the potential energy of a bucket full of water sitting on a bench.
- Pour some water out of the bucket.
- Move the bucket down to the ground.
A coiled spring used to help a door close has ____________________ energy when the door is open.
elastic potential
TRUE OR FALSE: A rock at the edge of a cliff has KINETIC energy because of its position.
False
A stretched rubber band has what type of energy?
elastic potential energy
TRUE OR FALSE: Energy that is stored is KINETIC energy.
False
Which type or types of energy does a blimp circling above a sporting event have?
kinetic energy and gravitational potential energy
Differences in gravitational potential energy depend on an object’s ____________________.
mass and height
In which diagram does the ball have the greatest potential energy?
D
A book has a mass of 3 kg. It is being held 2 meters above the ground. What is the potential energy of the book? Calculate the potential energy of the object using the Potential (PE) Energy Equation.
58.8 J
