# Shared Flashcard Set

## Details

Gravitation
Gravitation (STD 10 Sc 1 Ch.1)
25
Physics
07/21/2020

Term
 Which is a universal force?
Definition
 Gravitational force
Term
 Who discovered the phenomenon of gravitation?
Definition
 Sir Isaac Newton
Term
 What is necessary to change the speed and the direction of motion of the object?
Definition
 The force
Term
 Where was Sir Isaac Newton born?
Definition
 England
Term
 In which book did Newton give his laws of motion equations of motion and theory of gravity?
Definition
 Principia
Term
 Who had given three laws describing planetary motions?
Definition
 Kepler
Term
 In which areas did Newton ground wreaking work?
Definition
 Light, Heat, Sound and Mathematics
Term
 which branch does Newton give to mathematics?
Definition
 Calculus
Term
 The velocity of an object moving in circular path is in which direction?
Definition
 Tangential
Term
 What is meant by 'centripetal'?
Definition
 Centre seeking
Term
 Which is natural satellite of the earth?
Definition
 Moon
Term
 In which path does the object move when centripetal force is acting on it?
Definition
 Circular path
Term
 Who mathematically derived Kepler's laws?
Definition
 Sir Isaac Newton
Term
 ________is necessary to change the speed as well as the direction of motion of an object.
Definition
 The force
Term
 Force acting on object which is moving in circular path and it is directed towards the centre this force is____________ .
Definition
 Centripetal force
Term
 Newton was first scientist to to construct a_______________.
Definition
 Reflecting telescope
Term
 _________mathematically derived__________laws with his theory of gravity.
Definition
 Sir Isaac Newton , Kepler
Term
 The object tries to go towards the centre of the circle because of__________.
Definition
 Centripetal force
Term
 There are______laws of motions of Newton.
Definition
 Three
Term
 There are______laws of planetary motion of Kepler.
Definition
 Three
Term
 ____________ discovered the phenomenon of gravitation.
Definition
 Sir Isaac Newton
Term
 Kepler had given three laws describing___________.
Definition
 Planetary motion
Term