[vec F=ahat i+3hat j+6hat k" and "vec r=2hat i-6hat j-12hat k" .The value of "a' for which the angular momentum is conserved "],[[" 1) "-1," 2) "0," 3) "1," 4) "2]]

vecF = a hat i + 3hat j+ 6 hat k and vec r = 2hat i-6hat j -12 hat k . The value of a for which the angular momentum is conserved is

vecF = a hat i + 3hat j+ 6 hat k and vec r = 2hat i-6hat j -12 hat k . The value of a for which the angular momentum is conserved is

Vectors vec A=hat i+hat j-2hat k and vec B=3hat i+3hat j-6hat k are

A force vec F = prop hat i + 3 hat j + 6 hat k is acting at a point vec r = 2 hat i - 6 hat j - 12 hat k . The value of prop for which angular momentum about origin is conserved is.

A force vec F = prop hat i + 3 hat j + 6 hat k is acting at a point vec r = 2 hat i - 6 hat j - 12 hat k . The value of prop for which angular momentum about origin is conserved is.

If vec a = 6hat i - hat j+ 2hat k and vec b =hat i- 3hat j - 2 hat k , find vec a - vec b .

The lines vec r=(hat i+hat j+hat k)alpha+3hat k and vec r=(hat i-2hat j+hat k)beta+3hat k

[[[hat i+4hat j+6hat k,2hat i+ahat j+3hat k,hat i+2hat j-3hat k]=18 then value of a equals to:

Vector vec(A)=hat(i)+hat(j)-2hat(k) and vec(B)=3hat(i)+3hat(j)-6hat(k) are :