Physics
In figure, a block of weight 15 N is hanging from a rigid support by a string. What force is exerted by —
(a) block on the string,
(b) string on the block.
Name them and show them in the diagram.
Related Questions
A light ball falling on ground, after striking the ground rises upwards. Explain the reason.
A boy pushes a wall with a force of 10 N towards east. What force is exerted by the wall on the boy?
The gravitational force between two bodies is —
- always repulsive
- always attractive
- attractive only at large distances
- repulsive only at large distances.
The gravitational force of attraction between two particles is because of:
- their masses
- their shapes
- their sizes
- none of these