Posted by **Jocelyn** on Tuesday, January 29, 2013 at 7:00pm.

1) Find the magnitude of the gravitational force

a 68.6 kg person would experience while

standing on the surface of Earth with a

mass of 5.98 × 10

24

kg and a radius of

6.37 × 10

6

m. The universal gravitational

constant is 6.673 × 10

−11

N · m2

/kg

2

.

Answer in units of N

2) Find the magnitude of the gravitational force

on Mars, with a mass of 6.34 × 10

23

kg and a

radius of 3.43 × 10

6 m.

Answer in units of N

3) Find the magnitude of the gravitational force

on Pluto, with a mass of 1.32 × 10

22

kg and a

radius of 1.15 × 10

6 m.

Answer in units of N

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