behskan
.The diameter of a circle is 10 cm and the chord through a point P, the midpoint of the chord
is 6 cm . The distance of P from the centre O is
A.3 cm B. 4 cm C. 5 cm D. 6cm E. 7 cm
- In the figure, PR⊥OQ and O is the centre. If NQ =2 cm and OQ=5 cm, then PR=………
A. 4 cm B. 5cm C. 6 cm D. 7 cm E. 8 cm
- By Newton’s second law , the acceleration is directly proportional to ……… .
(3) Newton’s third law express the idea of ………. .
(4) Action force and reaction force cannot ……… out each other.
(5) Force has both magnitude and ……. .
(6) Force is a ……… quantity.
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