Mass is a measure of the amount of matter in an object, typically expressed in kilograms or grams, and remains constant regardless of location. Class 11 Physics Gravitation CBSE EXAM 2024-25
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Kinetic energy is the energy of an object in motion, dependent on its mass and velocity, influencing various physical processes. Class 11 Physics Gravitation CBSE EXAM 2024-25
Earth revolves around the Sun in an elliptical orbit, completing one revolution annually (365.25 days), driven by the Sun’s gravitational pull. Class 11 Physics Gravitation CBSE EXAM 2024-25
Escape velocity is the minimum speed needed for an object to overcome a celestial body’s gravitational pull and escape into space. Class 11 Physics Gravitation CBSE EXAM 2024-25
A projectile is an object launched into motion, influenced only by initial velocity and gravity, following a curved trajectory. Class 11 Physics Gravitation CBSE EXAM 2024-25
The acceleration due to gravity on Earth’s surface is approximately 9.81 m/s². This value varies slightly depending on altitude and geographical location but is generally taken as a standard for calculations. Class 11 Physics Gravitation CBSE EXAM 2024-25
The Moon’s surface is rocky and covered with craters, regolith (a layer of loose dust and debris), mountains, and plains called maria, formed by ancient volcanic activity. It lacks an atmosphere, resulting in extreme temperatures and no weathering. Class 11 Physics
An elliptical orbit is the oval-shaped path followed by a celestial body around another due to gravitational forces, as described by Kepler’s first law of planetary motion. Class 11 Physics Gravitation CBSE EXAM 2024-25
Orbital speed is the velocity a body needs to maintain a stable orbit around another body, determined by gravitational force and distance from the central object. Class 11 Physics Gravitation CBSE EXAM 2024-25
Kepler refers to Johannes Kepler, a renowned astronomer who formulated three fundamental laws of planetary motion, describing their elliptical orbits around the Sun. Class 11 Physics Gravitation CBSE EXAM 2024-25