(A) 846 W
(B) 746 W
(C) 646 W
(D) 546 W
Answer: (B) 746 W
Category: Physics MCQs Class 9
Physics solved multiple choice questions (MCQs) for class 9 with answers.
The orbital speed of a low orbit satellite is:
(A) Zero
(B) 8 ms-1
(C) 800 ms-1
(D) 8000 ms-1
Answer: (D) 8000 ms-1
The number of forces that can be added by head to tail rule is:
(A) 2
(B) 3
(C) 4
(D) Any number
Answer: (D) Any number
SI unit of momentum is:
(A) kg
(B) ms-1
(C) kgm
(D) kg ms-1
Answer: (D) kg ms-1
A string is stretched by two equal and opposite forces 10N each. The tension in the string is:
(A) Zero
(B) 5 N
(C) 10 N
(D) 20 N
Answer: (D) 20 N