### Compute the force of gravity acting on the object

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Q1. An object of mass 95.0kg rests on the surface of a planet with a mass of 3.5 x 10^15kg and a radius of 7.8 x 10^8m.

a) Compute the force of gravity acting on the object on the surface of the plant

b) find out the gravitational field strength 'g' at the planet's surface.

c) Compute the force of gravity acting on the object if it is placed at a position 4.7 x 10^9m above the planet's surface

Q2. Two children tug on a toy of mass 2.0 kg. Costa pulls with a force of 10.0N [W 30degrees S]. The toy slides with an acceleration of 2.5 m/s^2 in the direction of the net force.

A) Find out the value of the frictional force acting on the toy.
B) Find out the coefficient of friction.

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