Question

Match the pairs in the two lists given below :

a) Gravitational force	e) decreases
b) Frictional force	f) conservative force
c) KE of a dropped body	g) non conservative force
d) PE of a dropped body	h) increases

• A. $a\to f,b\to h,c\to g,d\to e$
• B. $a\to f,b\to g,c\to h,d\to e$
• C. $a\to f,b\to g,c\to e,d\to h$
• D. $a\to h,b\to g,c\to f,d\to e$

Answer 1

The correct option is B $a\to f,b\to g,c\to h,d\to e$

Gravity $\to$ conservation force $\to$ doesn't depend on the parth
fractional force $\to$ non. Conservation $\to \omega \Delta$ depends on
path followed
K.E of dropped body $\to$ increases (since P.E will change to K.E)
P.E of dropped body $\to$ decrease (since height will decrease & P.E$=$mgh)