Question

12.
(D)
0.00
36.
13.
37.
38.
15.
39.
16.
40.
The magnitudes of cross-product and dot product of two vectors are equal then angle be
(0) 5.0 N
(A) 0°
tortwo vectors are equal then angle between the vectors be:
(B) 45°
The scalar product of two vectors becomes maximum if angle between thein is:
(C) 90°
(D) 180°
(A) 0o
(B) 309
If a force of 50 N is applied parallel to a moment arm 10 m the torque is:
(C) 45°
(D) 60°
(A) Zero
(B) 5 Nm
(C)
(a < b)/(a.b) =
None of these
500 Nm
(A) sin e
(B) cose
(C) tane
(D) cote
î. o x k) =
(A) 1
(B) 2
(C) 3
(D) i+j+k
If R is the maximum horizontal range of particle then the greatest height attained by it is:
(A) R
(B)
(C) 2R
The gravity does no work when the body moves:
(A) Horizontally
(B) Vertically upward
(C) Vertically downward
(D) At an angle of 45° with horizontal
Acceleration of 2.5 ms 2 expressed in km h 2 is:
(A) 5.4
(B) 324
(C). 5400
(D) 32400
How large a force is required to accelerate a body of weight 5 N with 4 ms? is?
(A) IN
(B) 2N
(C) IN
(D) 10N
Distance covered by a freely falling body in 1 second will be:
(A) 4.9 m
(B) 19.6 m
(C) 9.8 m
(D) 44.1 m
41
18.
19.
20.
21.​

Answer 1

Answer:

a) is the correct answer

Explanation:

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