Name a device which is used to measure force acting on an object.
Dynamometer is the device used for measuring force acting on an object
Name :
(a) The force applied when a potter turns his wheel.
(b) A substance that develops static-electricity on rubbing.
(c) A device that shows the gravitational force acting on an object.
(d) A force that always acts against motion.
Name the given device which is used to measure the atmospheric pressure.