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Worksheetsgravitation
Total questions: 10
Worksheet time: 6mins
what is inverse square law ?
r square
1/r square
4/r square
d square
where is ULG (universal law of gravitation) not used
Tides
trajectory
satellites
charges
how does force of gravitation act when masses of two objects are doubled
4x force
1/4x force
2x force
1/9x force
what is 'g' of earth
9.8
10
6.67*10-11(that is power -11)
6.67
properties of weight are given below which is not correct
force exerted by body on earth
never zero or negative
variable from place to place
si unit is N
Kepler stole who's observation ?
(a)
Formula for weight is
W=ma
W=mG
W=mg
W=m
an object has a mass 36 kg on earth find its weight on the moon (approximated values)
360 N
300 N
60 N
10 N
What is 0 in upward free fall
u
v
a
s
which is the strongest force in nature
Electrostatic force
Strong Nuclear force
weak nuclear force
gravitational force
