Advertisements
Advertisements
प्रश्न
Give two examples to verify that a force changes the shape of a body.
Advertisements
उत्तर
Force can change the static condition of a body.
- If you squeeze a sponge, its shape changes.
- If you pull a rubber band, it becomes longer.
APPEARS IN
संबंधित प्रश्न
Give one example in the given cases:
A force stops a moving body
Define the term linear momentum. State its S.I unit.
Prove the force = mass x acceleration. State the condition when it holds.
The adjacent diagram shows a heavy roller, with its axle at O, which is to be raised on a pavement XY. If there is friction between the roller and pavement, show by an arrow on the diagram the point of application and the direction of force to be applied. If pivoted at O, now will it go up?
Define an Inclined plane.
A man can open a nut by applying a force of 150 N by using a lever handle of length 0.4 m. What should be the length of the handle if he is able to open it by applying a force of 60 N?
If we apply force against the direction of motion of the body, then the body will
Plotting a graph for momentum on the Y-axis and time on X-axis. the slope of the momentum-time graph gives
Turning a nut with a spanner having a short handle is so easy than one with a long handle.
Briefly explain how we experience a force in our daily life.
