Advertisements
Advertisements
प्रश्न
Give two examples to verify that a force tends to change the static condition of a body.
Advertisements
उत्तर
Force can change the static condition of a body.
- A rest rubber ball begins to move when a force applied to it.
- The player applies a force on the stationary football while taking a penalty kick in a football match. The force applied by the player makes the football move towards the goal.
APPEARS IN
संबंधित प्रश्न
Give one example in the case where Force is at a distance.
Give one example in the given cases:
A force stops a moving body
Give one example in the given cases:-
A force changes the shape of a body
Define the term linear momentum. State its S.I unit.
Complete the following
1 N = ..........dyne.
A uniform car of mass 500g travels with a uniform velocity of 25 ms-1 for 5 s. The brakes are then applied and the car is uniformly retarded and comes to rest in further 10 s calculate
1) the retardation
2) the distance which the car travels after the brakes are applied
3) The force exerted by the brakes.
Moon or Cloud?
Observe the moon on a windy night with a fair bit of cloud cover in the sky. As the cloud passes in front of the moon you sometimes think it is the moon which is moving behind the cloud. What would you think if you were to observe a tree at the same time?
Turning a nut with a spanner having a short handle is so easy than one with a long handle.
Mention the two types of forces.
Can you lift or push a book lying on a table without touching it?
