Physics basics: measurement motion force pressure and energy. - One Line Questions

1. If an object travels 10 meters in 5 seconds, what is its speed? — 2 m/s
2. If a force of 10 N acts on a mass of 5 kg, what is the acceleration produced? — 2 m/s²
3. If a machine does 100 Joules of work in 10 seconds, what is its power? — 10 Watts
4. A 2 kg object is moving at 4 m/s. What is its kinetic energy? — 16 Joules
5. A car starts from rest and accelerates at 2 m/s² for 10 seconds. What is its final velocity? — 20 m/s
6. If you push a wall with a force of 50 N, but the wall does not move, the work done by you on the wall is: — Zero Joules
7. Which of the following is an example of Newton's third law? — A rocket expelling gas downwards to move upwards
8. Which of the following is a form of energy transformation? — A light bulb converting electrical energy to light and heat energy
9. Friction is generally: — A force that opposes motion
10. Which of the following exerts more pressure on the ground? — A person standing on one foot
11. Which of the following is a device that converts chemical energy into electrical energy? — Battery
12. What is the principle of conservation of energy? — Energy can neither be created nor destroyed, only transformed
13. Power is defined as: — Energy per unit time
14. The formula for Newton's second law of motion is: — F = ma
15. Newton's third law of motion states that: — For every action, there is an equal and opposite reaction
16. What is pressure? — Force applied per unit area
17. What is work done in physics? — Force multiplied by displacement in the direction of the force
18. Newton's second law of motion relates: — Force, mass, and acceleration
19. What is the SI unit of mass? — Kilogram
20. What is the SI unit of force? — Newton
21. What is the SI unit of power? — Watt
22. Which of the following is NOT a unit of energy? — Watt-hour
23. What is the SI unit of pressure? — Pascal
24. What is the SI unit of momentum? — kg m/s
25. Which SI unit is used to measure length? — Meter
26. Which type of energy is stored energy due to position or configuration? — Potential energy
27. When a spring is compressed or stretched, it stores: — Elastic potential energy
28. Which type of friction is the strongest: static, kinetic, or rolling? — Static friction
29. What is the SI unit of acceleration? — m/s²
30. Which of the following is a vector quantity? — Displacement
31. What is the formula for kinetic energy? — 1/2 mv²
32. What is the potential energy of an object of mass 'm' at a height 'h' above the ground? — mgh
33. What is the SI unit of time? — Second
34. Newton's first law of motion is also known as the law of: — Inertia
35. Which force opposes motion between surfaces in contact? — Frictional force
36. Which type of energy is associated with the motion of an object? — Kinetic energy
37. What is the definition of speed? — Rate of change of distance
38. What does the acronym SI stand for in the context of measurement units? — System International
39. What is momentum? — The product of mass and velocity
40. What is energy? — The ability to do work
41. What is acceleration? — The rate of change of velocity
42. What is inertia? — The tendency of an object to resist changes in its state of motion
43. What is displacement? — The shortest distance between the initial and final position of an object
44. Which instrument is commonly used to measure length with high precision? — Vernier caliper
45. Atmospheric pressure is measured using a: — Barometer
46. Why do nails have sharp points? — To increase the pressure exerted for a given force
47. Which of the following is a scalar quantity? — Speed
48. What is the SI unit of electric current? — Ampere
49. The rate of flow of electric charge is called: — Current
50. What is the SI unit of energy? — Joule
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