Advertisements
Advertisements
Question
Explain the following:
Why does a boatman push the bank backward with a long bamboo pole, on launching his boat in the water?
Solution
On launching his boat in water, a boatman pushes the bank backward with a long bamboo pole. As a result, the bank offers equal and opposite reactions, and hence the boat move.
APPEARS IN
RELATED QUESTIONS
How does the gravitational force of attraction between two masses depend on the distance between them?
How is the gravitational force between two masses affected if the separation between them is doubled?
Write the numerical value of gravitational constant G with its S.I. unit .
Write an expression for the force due to gravity on a body of mass m and explain the meaning of symbols used in it.
State unit of momentum in the SI system.
State unit of mass in CGS system.
Why do passengers tend to fall backward when it starts suddenly?
Why is a tree shaken to get its fruit down?
Name and state the action and reaction in the following case:
Firing a bullet from a gun.
Define one newton. What is the ratio of SI to CGS units of force?