The forces of nature can be very violent.
true or false
Answers
Correct option is
B
False
Gravitational force, F=
R
2
GM
1
M
2
Now the mass of the objects can not be opposite (i.e., mass cannot be negative), thus, the nature of the force cannot be repulsive like that of electrostatic
Q1) Write true or false for each statement :
(a) The frictional force acts in the direction of motion of the body.
(b) The unit of weight is kilogram.
(c) A force can change the direction of motion of a moving body.
(d) A force increases the mass of the body when applied on it.
(e) The force of friction is always disadvantageous.
(f) The sliding friction is more than the rolling friction.
(g) Liquids offer more friction than the gases.
(h) A wet oily road offers more friction than a dry rough road.
Solution :
(a) False
(b) False
(c) True
(d) False
(e) False
(f) True
(g) True
(h) False
Hope it will help you..