False. Kinetic energy is a scalar quantity because it only has magnitude and no direction. | Card: 4 / 70 |
What is the formula for kinetic energy and what do each of its components represent? | Card: 5 / 70 |
The formula for kinetic energy is KE = 1/2 mv², where m is the mass of the object in kilograms and v is its velocity in meters per second. | Card: 6 / 70 |
Potential energy can be calculated using the formula V = ___, where m is the mass, g is the acceleration due to gravity, and h is the height. | Card: 7 / 70 |
True or False: Potential energy is dependent on the path taken to reach a certain height. | Card: 9 / 70 |
False. Potential energy is only defined for conservative forces and does not depend on the path taken. | Card: 10 / 70 |
Kinetic energy transforms during a swing.
| Card: 12 / 70 |
Kinetic energy is directly proportional to the mass of the object and the square of its speed. | Card: 16 / 70 |
Fill in the blank: Elastic potential energy is associated with ___ and ___ of springs. | Card: 17 / 70 |
Gravitational potential energy increases linearly with height, as it is calculated using the formula V = mgh. | Card: 20 / 70 |
Total mechanical energy is conserved.
| Card: 22 / 70 |
Fill in the blank: The total mechanical energy of an object is the sum of its ___ and ___ at any point in its motion. | Card: 23 / 70 |
False. Kinetic energy is always a positive value since it depends on the square of the velocity. | Card: 26 / 70 |
Potential energy surfaces visualize energy changes.
| Card: 28 / 70 |
The formula for elastic potential energy in a spring is ___, where k is the spring constant and x is the displacement. | Card: 29 / 70 |
During braking, a car's kinetic energy is converted into thermal energy due to friction between the brake pads and wheels, slowing the vehicle down. | Card: 32 / 70 |
Fill in the blank: In a conservative force field, the work done is ___ of the path taken. | Card: 33 / 70 |
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Types of Kinetic Energy Explained
| Card: 36 / 70 |
False. Potential energy is stored energy based on an object's position or configuration. | Card: 38 / 70 |
As the object falls, its potential energy decreases while its kinetic energy increases, converting potential energy into kinetic energy. | Card: 40 / 70 |
Fill in the blank: The work-energy theorem states that the work done on an object is equal to the ___ in its kinetic energy. | Card: 41 / 70 |
Gravitational vs. Elastic Potential Energy
| Card: 44 / 70 |
What role do potential energy curves play in understanding the stability of chemical bonds? | Card: 45 / 70 |
Potential energy curves indicate bond stability.
| Card: 46 / 70 |
If the velocity doubles, the kinetic energy increases by a factor of four, since kinetic energy is proportional to the square of the velocity. | Card: 48 / 70 |
Fill in the blank: The principle of conservation of mechanical energy states that the total energy remains constant in a system where only ___ forces act. | Card: 49 / 70 |
As water falls, its potential energy is transformed into kinetic energy, which can be harnessed to generate hydroelectric power. | Card: 52 / 70 |
True or False: The work done on an object is zero when it moves at constant velocity. | Card: 53 / 70 |
Stability is determined by curve shape.
| Card: 56 / 70 |
Fill in the blank: Mechanical energy is the sum of ___ and ___ energy in a system. | Card: 57 / 70 |
What happens to the potential energy of a compressed spring when it is released? | Card: 59 / 70 |
When released, the potential energy of the compressed spring is converted into kinetic energy as it returns to its original shape. | Card: 60 / 70 |
Elastic collisions conserve energy.
| Card: 62 / 70 |
Fill in the blank: The energy landscape in chemistry is represented by ___ energy curves. | Card: 63 / 70 |
What is the effect of height on gravitational potential energy in a uniform gravitational field? | Card: 65 / 70 |
Gravitational potential energy increases linearly with height, as it is directly proportional to the height above a reference point. | Card: 66 / 70 |
False. Kinetic energy is a scalar quantity because it has magnitude but no direction. | Card: 70 / 70 |






