Question

Match the following
i) wheels and ball bearings non-contact force
ii) grooves based on Pascal’s law
iii) earth excavators increases friction
iv) fall of an apple from the tree decreases friction

TNSCERT Class 8 Science Ch7. Force and Pressure

Answer 1

w a bb1-4 d f
g2-3I f
e e3-2P l
f o a a f t tree 4-1n c force