General Education Diploma (GED Oman) · Physics And Chemistry

Mechanics

15 practice questions, each with the answer and an explanation.

Practise Mechanics now

Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 15 questions

  1. A stone is thrown horizontally at 5 m/s from a cliff 19.6 m high. Taking m/s, how far from the base of the cliff does it land?
  2. A 2 kg crate on a rough horizontal floor is pushed by a horizontal force of 40 N. The coefficient of kinetic friction is 0.25. Taking m/s, find the acceleration.
  3. A 5 kg crate on a rough horizontal floor is pushed by a horizontal force of 30 N. The coefficient of kinetic friction is 0.2. Taking m/s, find the acceleration.
  4. A 2 kg crate on a rough horizontal floor is pushed by a horizontal force of 30 N. The coefficient of kinetic friction is 0.3. Taking m/s, find the acceleration.
  5. A 4 kg crate on a rough horizontal floor is pushed by a horizontal force of 50 N. The coefficient of kinetic friction is 0.25. Taking m/s, find the acceleration.
  6. A 4 kg object moves in a horizontal circle of radius 0.5 m at a constant speed of 6 m/s. What is the centripetal force acting on it?
  7. A 2 kg object moves in a horizontal circle of radius 2 m at a constant speed of 5 m/s. What is the centripetal force acting on it?
  8. A 2 kg object moves in a horizontal circle of radius 2 m at a constant speed of 4 m/s. What is the centripetal force acting on it?
  9. An object moves uniformly on a circle of radius 2 m with a period of 4 s. What is its speed?
  10. An object moves uniformly on a circle of radius 2 m with a period of 10 s. What is its speed?
  11. A spring of spring constant 50 N/m is stretched by 0.05 m. How much elastic potential energy does it store?
  12. A spring of spring constant 200 N/m is stretched by 0.02 m. What is the restoring force?
  13. A spring of spring constant 200 N/m is stretched by 0.2 m. What is the restoring force?
  14. A spring of spring constant 50 N/m is stretched by 0.02 m. How much elastic potential energy does it store?
  15. A spring of spring constant 400 N/m is stretched by 0.2 m. What is the restoring force?

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