Advertisements
Advertisements
प्रश्न
A ball is hanging by string from the ceiling of the roof. Draw a neat labelled diagram showing the forces acting on the ball and the string.
उत्तर
APPEARS IN
संबंधित प्रश्न
The north pole of a magnet ______ the north pole of another magnet.
A wooden block is placed on a table top. Name the forces acting on the block and draw a neat and labelled diagram to show the point of application and direction of these forces.
State one factor on which the magnitude of a non-contact force depends. How does it depend on the factor stated by you?
State the effects of a force applied on
- A non-rigid, and
- A rigid body.
How does the effect of the force differ in the two cases?
The non - contact force is :
A car of mass 1000 kg develops a force of 500 N over a distance of 49 m. If initially, the car is at rest find
- Final velocity
- time for which it accelerates.
What is a non-contact force?
The water sprinkler used for grass lawns begins to rotate as soon as the water is supplied. Explain the principle on which it works.
While sieving grains, small pieces fall down. Which force pulls them down?
Figure shows a man with a parachute. Name the force which is responsible for his downward motion. Will he come down with the same speed without the parachute?
