Physics
To move a boat ahead in water, the boatman has to push the water backwards by his oar. Explain.
Related Questions
When you step ashore from a stationary boat, it tends to leave the shore. Explain.
When two spring balances joined at their free ends, are pulled apart, both show the same reading. Explain.
A person pushing a wall hard is liable to fall back. Give reason.
A light ball falling on ground, after striking the ground rises upwards. Explain the reason.