Question

6
A man of weight 50N is standing on a ladder makes an angle of 60' with the horizontal, then
component of the Wight perpendicular to ladder is given by -
(a) 25 N
(b) 25V3N
(c) 50 N
(d) None​

Answer 1

Answer:

D none

Explanation:

Let AC be a ladder, AB is the wall and BC is the ground as shown in the figure.

We know that

cos60

o

=

AC

BC

2

1

=

AC

2.5

AC=5 m

Therefore, the length of ladder is 5 m.