MCQ Universal Law of Gravitation Chapter 9 Class 9 Science Advertisement MCQ’s For All Chapters – Science Class 9th 1. Gravitation is the force of attraction betweentwo charged bodiestwo magnetic polestwo massestwo moving bodiesQuestion 1 of 202. The force that keeps the moon in its orbit around the earth isfrictional forcegravitational forcemuscular forcemagnetic forceQuestion 2 of 203. The universal law of gravitation states that every object attracts every other object with a force that isproportional to the sum of their massesproportional to the product of their massesproportional to the square of their massesindependent of their massesQuestion 3 of 204. The value of the universal gravitational constant G is6.7 × 10⁻⁹ N m² kg⁻²6.7 × 10⁻¹¹ N m² kg⁻²9.8 × 10⁻¹ N m² kg⁻²6.4 × 10⁶ N m² kg⁻²Question 4 of 205. The acceleration due to gravity (g) on the surface of the earth is approximately10.8 m/s²9.8 m/s²8.9 m/s²9.0 m/s²Question 5 of 206. The value of g is greater atthe equatorthe polesboth are samecentre of the earthQuestion 6 of 207. The motion of a freely falling object is calleduniform motionaccelerated motionfree fallprojectile motionQuestion 7 of 208. The acceleration produced in a freely falling object isconstant for all objectsdifferent for different masseszeroinfiniteQuestion 8 of 209. The relationship between force and acceleration is given byF = m/aF = m + aF = m × aF = a/mQuestion 9 of 2010. The acceleration due to gravity is denoted byGfgwQuestion 10 of 2011. The formula for weight isW = m/aW = m × gW = g/mW = g + mQuestion 11 of 2012. The SI unit of weight iskilogramdynejoulenewtonQuestion 12 of 2013. The weight of an object is ascalar quantityvector quantityconstant quantityunitless quantityQuestion 13 of 2014. The mass of an object remainsvariable on different planetsconstant everywherehalf on the moonzero in spaceQuestion 14 of 2015. Weight depends ononly massonly acceleration due to gravityboth mass and acceleration due to gravityvolumeQuestion 15 of 2016. The mass of the moon is ______ times that of the earth.1/61/501/801/100Question 16 of 2017. The radius of the moon is approximately6.4 × 10⁶ m3.84 × 10⁸ m1.74 × 10⁶ m2.02 × 10⁶ mQuestion 17 of 2018. The gravitational constant (G) has the unitN m² kg⁻²N m kg⁻²N kg⁻¹N m⁻²Question 18 of 2019. The weight of an object on the moon is equal toits weight on earthtwice its weight on earthone-sixth of its weight on earthone-third of its weight on earthQuestion 19 of 2020. An object weighs 60 N on earth. Its weight on the moon will be60 N10 N6 N360 NQuestion 20 of 20 Loading...
excellent
Really good I want MCQ for atoms and molecules lessons also
Nice test and very helpful for competitive exams thanks