Physics
Related Questions
Match the columns.
Column A Column B 1. Force (a) Polishing 2. Contact force (b) Electrostatic force 3. Non-contact force (c) Push or pull 4. Static friction (d) Normal force 5. Reduction of friction (e) Body at rest Which of the following is a unit of force?
- Metre
- Newton
- Kilogram
- Centimetre
Which of the following is a contact force?
- Gravitational force
- Electrostatic force
- Tension
- Magnetic force
Which of the following reduces friction?
- Rough surface
- Grooves
- Streamlining
- Ridges