Mechanics — Prelims Questions

Which of the following principles is primarily responsible for the generation of lift in an aircraft wing?

Consider the following statements regarding a satellite in a geostationary orbit around Earth: 1. Its orbital period is approximately 24 hours. 2. It appears stationary relative to an observer on Earth's surface. 3. Its orbital radius is independent of Earth's mass. Which of the statements given above is/are correct?

A rocket expels hot gases downwards to propel itself upwards. This action is best explained by which of Newton's Laws of Motion?

Which of the following phenomena is NOT directly explained by the principle of conservation of momentum?

Which of the following is the correct unit for Moment of Inertia?