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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What theory is that the world and man are governed by order and regularity...?

(A) Progression theory
(B) Reconstructionist theory

(C) Evolution theory
(D) None of these

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Siemens is the unit of__________________...?

(A) Electrical Conductance
(B) Magnetic Conductance

(C) Electrical Capacitance
(D) Magnetic Capacitance

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Which is a tertiary consumer that eats the mouse, the primary consumer, and the cat the secondary consumer...?

(A) Mouse
(B) Wolf

(C) Hawk
(D) Cat

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For being able to see three-dimensional pictures we have to use___________...?

(A) A binocular
(B) A camera

(C) A epidiascope
(D) A stereoscope

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Chemical reaction requires particular conditions to carry down at proper rate, especially...?

(A) Temperature and Nature
(B) Nature and Pressure

(C) Nature and Structure
(D) Temperature and Pressure

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Which liquid is used in an aneroid barometer...?

(A) Mercury
(B) Alcohol

(C) Water
(D) None

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Which of the following cutting conditions greatly affects the tool wear...?

(A) Cutting speed
(B) Feed

(C) Depth of cut
(D) None of the above

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At what temperature does silver melt...?

(A) 275 °C
(B) 327 °C

(C) 961.8 °C
(D) 100 °C

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Chromosomes are thread like structures appear at the time of _____...?

(A) Cell growth
(B) Cell death

(C) Cell division
(D) Cell differentiation

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