Work, Force & Energy Worksheet-2
(A) Electrostatic force
(B) Gravitational force
(C) Frictional force
A. B. C.
a. In the game “Tug of War” people push the rope towards each othe.
b. A force can change the shape of an object.
c. Rough surface such as carpet produces less friction.
d. Heat produced due to electrostatic force can also damages some machine parts.
e. Crowbar is an example of class-1 lever.
f. A bottle opener is an example of class-2 lever.
Fill in the blanks:
(13) a. False; b. True; c. False; d. False; e. True; f. True
(14) Magnetic force/Magnetism