1. What would be the mass of a star capable of holding our Sun in orbit at 8.6 l.y.?
  2. Oscillation of Two Fluid Interface in a U-tube: The Story before Statics
  3. Proving that $\vec{v}\times\sum_i\dfrac{dm_i}{dt}\vec{r}_i=t(\vec{v}\times\sum_i\vec{F}_i)$ when no external torque

  4. Feynman's derivation of Maxwell's Equations
  5. In A Banked Turn, How Much Of A Part Does Gravity Play As Compared To The Normal Force?
  6. How to prove that an elephant and a human could jump to the same height?

  7. String applying a force on pulley
  8. When the engine of an automobile idles
  9. Final positions and velocities of two bodies, given initial position and velocities, masses, and a force law $f(r)$

  10. Forces free body diagram

  11. String connected to a spring
  12. to find the acelaration and time?

  13. Linear momentum being independent of the coordinate system

  14. Impulse of two different objects
  15. Why does the amount of energy transferred depend on distance rather than time?
  16. Fluid Pressure: The Collision Model - Approximation or Truth?

  17. Solve Complete Calculation
  18. Do you know dynamical formulas for hydraulic cylinders, motors and pumps?

  19. General equation of Simple Harmonic Motion
  20. How to determine the force of a spring-damper in 3D

  21. Experiments with slinky
  22. Confusion about momentum in an inertial reference frame?

  23. Why a force applied at the center of gravity has the greatest chance to force translational motion?
  24. When we push a wall, we get tired Why?
  25. Energy vs. Force vs. Stresses?

  26. To find electric flux linked with curved hemispherical surface

  27. Is it possible to achieve a stable Low Lunar Orbit?

  28. Why number of motors don't affect speed?

  29. Find alpha . According to the given information

  30. How come the following equation produce a straight line?

  31. What really is a fluid?

  32. Bounced ray angle of normal direction?

  33. We can not do work with internal force is it right?

  34. Is potential energy stored in earth and block because it is energy of interacting bodies?
  35. What is the formula of the force in an partially inelastic collision

  36. What forces are acting on a massless pulley "cylinder"?
  37. Force field parametrization and its relation to true Hamiltonian

  38. Minimum suspended mass to prevent a block from sliding down ramp
  39. relative velocities
  40. Rattleback - Breaking the Laws of Physics? (Walter Lewin rotation experiment)
  41. Direction of force of surface tension

  42. Calculating the friction needed to turn a Belt-Pulley System?
  43. Total mass of system and Force
  44. What is the ratio of these accelerations?

  45. Easily approximate center of mass of a person when sitting

  46. Why force $F$ is equal to $ma$ and not $mv$?
  47. Can I suck water out of a full bottle?

  48. Frequency of water bottle as it is being filled

  49. Does $F_f$ (friction force) matter in an equation for jumping on the moon?
  50. Can we define tension in a string as the reactive force produced in a string being pulled at both ends?

  51. How we get the equation for $v_1$ from the conservation of kinetic energy and momentum? (Elastic Collision Formula)
  52. velocity, mass and force

  53. What would be the maximum height for a vertical slide?

  54. Plane flying with constant velocity

  55. Conservation of momentum for ball rolling up hill

  56. Correct equation for horse-carriage system
  57. Difference between force and energy equilibrium
  58. Torsion and twist in solid cylindrical beam

  59. Can electromagnetic wave cause a charged particle to move with constant velocity?

  60. If F = $m*a$ and $W = m*g$, why is using $F = m*a$ to calculate weight wrong?

  61. Circular motion, kinetic friction and tension

  62. In this derivation of the transverse wave equation, why is the force multiplied by the change in $x$?

  63. Does the mass of an object modify the wavelength of the waves created if it is dropped in water?

  64. Is it possible to always find a potential associated to a force (even when non-conservative)?

  65. Can total mechanical energy of an object, can be less than its kinetic energy?

  66. Can we measure little $g$ in this way?

  67. Resulting force when bending plywood

  68. Formula of escape velocity
  69. Finding the minimum radius of the pivoted disc

  70. Can we use the COM reference frame to calculate time period of two connected bodies?
  71. How to solve kinetic energy question?

  72. Basic question regarding centripetal acceleration
  73. When does the shifting of normal force occur?

  74. Why does a freewheeling flywheel counter-rotate slightly before finally stopping?

  75. Equivalency of two free body diagrams
  76. How is centripetal force related to radius?
  77. Why does total energy of N coupled harmonic oscillators increase with increase in N?
  78. Projectile, air resistance and wind

  79. Mass Dropped on Scale

  80. How do you change the acceleration of a tennis ball, connected to a string in circular motion?

  81. What exactly does accelerometer measure on a vertical rotating disk?
  82. How would a gradual joining of the Earth and Moon affect their orbits?
  83. Classical Mechanics: Continuous or Discrete universe?
  84. The two causes for the factor 2 in Coriolis effect

  85. What is tension in a rope equal to?

  86. Is work done against a field when the forces match?
  87. Intuition and difference between centrifugal force & Coriolis force?

  88. Find acceleration due to Coriolis Force

  89. Wave function and corresponding energy eigenvalue
  90. A conceptual propulsion device based on instantaneous energy transfer of relativistic mass

  91. Why does potential and force at an exterior point change on considering discrete masses at centre of mass?
  92. Tension in rope is equal to?

  93. How does gravity work without consumption of energy?
  94. Definition of force?

  95. What creates the chaotic motion on a double pendulum?
  96. How long could someone survive in free fall?

  97. Calculate impact force when time is not mentioned
  98. Determining the laws of motion by Newton

  99. Coloured marbles separating in galton board?
  100. Superposition and conservation of energy