Advertisements
Advertisements
प्रश्न
Explain why, a person travelling in a bus falls forward when the bus stops suddenly.
Advertisements
उत्तर
When a moving bus stops suddenly, the passengers are jerked forward because of inertia. The passengers tend to remain in their state of motion (which they possess in a moving bus) even though the bus has come to rest.
APPEARS IN
संबंधित प्रश्न
Explain why some of the leaves may get detached from a tree if we vigorously shake its branch.
What is the momentum of an object of mass m, moving with a velocity v?
A body of mass 25 kg has a momentum of 125 kg.m/s. Calculate the velocity of the body.
On what factor does the inertia of a body depend ? Which has more inertia, a cricket ball or a rubber ball of the same size ?
The unit of measuring momentum of a moving body is :
Name the factor on which the inertia of a body depends and state how does it depend on the factor stated by you .
The property of inertia is more in :
Multiple Choice Question. Select the correct option.
When you kick a stone, you get hurt. Due to which property this happens?
Assertion & Reasoning
- Assertion: The value of ‘g’ decreases as height and depth increase from the surface of the Earth.
- Reason: ‘g’ depends on the mass of the object and the Earth.
A heavy truck and bike are moving with the same kinetic energy. If the mass of the truck is four times that of the bike, then calculate the ratio of their momenta. (Ratio of momenta = 2:1)
