Advertisements
Advertisements
Question
Name and state the action and reaction in the following case:
A person walking on the ground.
Advertisements
Solution
Force applied by man on ground is action and force of friction is the reaction
APPEARS IN
RELATED QUESTIONS
Inside a uniform spherical shell
(a) the gravitational potential is zero
(b) the gravitational field is zero
(c) the gravitational potential is same everywhere
(d) the gravitational field is same everywhere
Which of the following quantities remain constant in a planetary motion (consider elliptical orbits) as seen from the sun?
Two concentric spherical shells have masses M1, M2 and radii R1, R2 (R1 < R2). What is the force exerted by this system on a particle of mass m1 if it is placed at a distance (R1+ R2)/2 from the centre?
A solid sphere of mass m and radius r is placed inside a hollow thin spherical shell of mass M and radius R as shown in the following figure . A particle of mass m' is placed on the line joining the two centres at a distance x from the point of contact of the sphere and the shell. Find the magnitude of the resultant gravitational force on this particle due to the sphere and the shell if (a) r < x < 2r, (b) 2r < x < 2R and (c) x > 2R.
The mass of moon is about 0.012 times that of earth and its diameter is about 0.25 times that of earth. The value of G on the moon will be:
Write an expression for the gravitational force of attraction between two bodies of masses m1 and m2 separated by a distance r.
Define one Newton. How much maximum acceleration can it produce in a mass of 1 kg?
How will the force of gravitation between two objects change if the distance between them is:
Made four times
The value of universal gravitational constant (G) in the SI unit is ______.
Choose the wrong option.
