Advertisements
Advertisements
प्रश्न
Give two examples each of contact and non-contact forces.
Advertisements
उत्तर
Contact Forces:
(i) Pushing a pile of rubble by a bulldozer.
(ii) Squeezing of a gum tube to extract the gum.
Non-contact Forces:
(i) When a magnet is brought near iron-nails, they stick to the magnet.
(ii) A ripen apple falls by itself from the tree.
संबंधित प्रश्न
Complete the following
1 N = ..........dyne.
Complete the following:
1 N = ............kgf (approx)
State the condition when on applying a force, the body has the translational motion.
______ has to be applied to change the ______ of a ______ object.
(moving, direction, force)
If we apply force against the direction of motion of the body, then the body will
In which of the following sport the turning of the effect of force used
To produce a displacement ______ is required.
A mechanic unscrew a nut by applying a force of 140 N with a spanner of length 40 cm. What should be the length of the spanner if a force of 40 N is applied to unscrew the same nut?
Which of the following statement is not correct for an object moving along a straight path in an accelerated motion?
The moon attracts Earth with a force of 1020 N, and then the force with which the Earth attracts the moon is ______.
