A man pulls a crate of mass 25 kg across the leveled ground with a horizontal force of 60 N. A constant force of friction of 20 N acts on the sledge. What is the acceleration of the sledge...? Mcqs

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A man pulls a crate of mass 25 kg across the leveled ground with a horizontal force of 60 N. A constant force of friction of 20 N acts on the sledge. What is the acceleration of the sledge...?

(A) 0.63 ms^-2
(B) 1.6 ms^-2

(C) 2.4 ms^-2
(D) 3.2 ms^-2

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which of these plants open its mouth when insect sit on its lid...?

(A) Sunflower
(B) Pitcher plant

(C) Brassica Plant
(D) None of these

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Which of the following disease affects the skin ...?

(A) Rickets
(B) Osteoporosis

(C) Anemia
(D) Pellagra

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SI unit of time is_________...?

(A) second
(B) kilo gram

(C) meter
(D) volt

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All the bones of the body make a frame called...?

(A) Skelton
(B) Tissue

(C) Skull
(D) None of these

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Which of the following is the major constituents of LPG...?

(A) methane
(B) ethane

(C) hydrogen
(D) butane

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Types of bones in human body are: Long, short, irregular and ____________...?

(A) Flat
(B) Medium

(C) Regular
(D) Rough

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What is the name of the biggest part of human brain...?

(A) Cerebellum
(B) Cerebrum

(C) Brainstem
(D) Pituitary

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Degree of variation within or among the species exists on different regions of the earth called...?

(A) Adaptation
(B) Extinction

(C) Evolution
(D) Biodiversity

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1 yard =___________...?

(A) 3 feet
(B) 6 feet

(C) 2.4 feet
(D) 12 feet

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