Force & Energy Homework: Calculate Weight

[raman911]

Homework Statement

Assume that force the force required to walk from home to school is on a 70 degree angle to the horizontal surface. This force is equal to your weight.
mass is 120lb or 48 kg
a) calculate weight.

The Attempt at a Solution

a)
w=mg
w=48kg*9.8N/kg
w=470.4N
IS THAT RIGHT?

 

[eigenglue]

470.4 N is the right weight. Now how much for does it take to push that weight up a 70 degree incline? I think that's the question.

 

[raman911]

470.4 N is the right weight. Now how much for does it take to push that weight up a 70 degree incline? I think that's the question.

b) calculate the mangitude and direction of the force that causes you to move in the horizontal direction.

 

[raman911]

b) calculate the mangitude and direction of the force that causes you to move in the horizontal direction.