Question
When we try to push a very heavy box kept on ground, it does not move at all. Which force is preventing this box to move forward? Where does this force act?
✓
Answer
Whenever we push a very heavy box kept on the ground, it does not move at all because frictional force balances the force that we apply. So, there is no net movement of this box. It acts in a direction opposite to the force we apply.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Explain why, people are advised to use iodized salt in cooking food.
Give two examples each of:
- Solid fuels.
- Liquid fuels.
- Gaseous fuels.
Different between ‘endangered species’ and extinct species.
Explain why, the disposal of plastic wastes is a major problem. Give two reasons only.
When a copper object is exposed to moist air for a long time, then a green coating is formed on its surface.
- What is the material of the green coating?
- State whether the green coating is acidic or basic.
Name the gas produced when aluminium foil reacts with:
- Dilute hydrochloric acid.
- Sodium hydroxide solution.
Make a sketch of the human muscle cell. What are the functions do muscles cell perform?
What is the nature (acidic/ basic) of the following oxides?
- Magnesium oxide
- Sulphur dioxide
Why does Pole Star appear to be stationary in the sky?
A beaker contains an acidified copper sulphate solution. A copper plate and a carbon rod are kept in this copper sulphate solution. The copper plate is connected to the positive terminal of a battery whereas the carbon rod is connected to the negative terminal of the battery. What will you observe when an electric current is passed through this set-up for a considerable time?