Question

0.2
Single Correct Option, Marks: +4, -1
A particle P is acted by three coplanar forces as shown in figure.
F2 = 200 N
30°
P
F1 = 150 N
+F3 = 100 N
Find the force needed to prevent the particle P from moving. (take V3 =1.7)
(A) 320 N in the direction of F
(B) 200 N in opposite direction of F
(C) 320 N in opposite direction of F
(D) 320 N at an angle 53° with direction of F
​

Answer 1

Answer:

Nobody knows for surе when spoken language first developed — it almost certainly wasn't invented. Written language has been around since about 3,300 BC, but spoken language does not appear in the historical or fossil record, so we do not know when it first developed.