Question

If Earth has a mass of 5.972 × 10^24 kg and Mars has a mass of 6.39 × 10^23 kg, and the distance between them is 5.46 x 10^8km.calculate tge force exerted on the mars (G=6.7×10^-11Nm²kg^-2)
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Answer 1

Explanation:

In your case, you are given all the variable and all you need to know is that the Gravitational Constant,

G

=

6.67

×

10

−

11

m

3

k

g

⋅

s

2

So,

F

G

=

6.67

×

10

−

11

5.972

×

10

24

⋅

6.3

×

10

23

(

225

×

10

6

)

2

Then,

F

G

=

6.67

×

10

−

11

3.82

×

10

48

(

50625

×

10

12

)

F

G

=

6.67

×

10

−

11

3.82

×

10

48

(

5.06

×

10

16

)

F

G

=

6.67

×

10

−

11

⋅

7.55

×

10

31

F

G

=

5.04

×

10

21

Newtons