Advertisements
Advertisements
प्रश्न
Give qualitative definition of force on the basic of Newton's first law of motion.
Advertisements
उत्तर १
Force is that external cause which can move a stationary object or which can stop a moving object.
उत्तर २
According to Newton's first law force is that external agency which tends to change the state of rest or the state of motion of a body.
संबंधित प्रश्न
Name the physical quantity whose unit is ‘newton’.
Name the law involved in the following situation :
if there were no friction and no air resistance, then a moving bicycle would go on moving for ever.
A block of mass 10 kg is suspended from two light spring balances, as shown in the following figure.
What do you mean by inertia of motion?
The amount of inertia of a body depends on its _________.
Match the following
| Column I | Column II |
| Newton’s I law | propulsion of a rocket |
| Newton’s II law | Stable equilibrium of a body |
| Newton’s III law | Law of force |
| Law of conservation of linear momentum | Flying nature of bird |
When a bus suddenly takes a tum, the passengers are thrown outwards because of
A car of mass m starts from rest and acquires a velocity along east `v = vhati (v > 0)` in two seconds. Assuming the car moves with uniform acceleration, the force exerted on the car is ______.
A mass of 2 kg is suspended with thread AB (Figure). Thread CD of the same type is attached to the other end of 2 kg mass. Lower thread is pulled gradually, harder and harder in the downward directon so as to apply force on AB. Which of the threads will break and why?
What does inertia measure in an object?
