1. If you weigh 140 lbs on Earth, what is your mass in kilograms 2.Using the answer from problem I (hopefully it's correct), determine your weight in Newton's if you were on the moon. Yes, you have to look up something to complete this problem. 3. You measured the mass of a rock to be 355g. What is its weight? 4.You are now holding the rock in your hand from problem 3. What force is the rock on your hand? How much force do you need to exert on the rock to hold in stationary.

besnuffelfo

besnuffelfo

Answered question

2022-09-19

1. If you weigh 140 lbs on Earth, what is your mass in kilograms
2.Using the answer from problem I (hopefully it's correct), determine your weight in Newton's if you were on the moon. Yes, you have to look up something to complete this problem.
3. You measured the mass of a rock to be 355g. What is its weight?
4.You are now holding the rock in your hand from problem 3. What force is the rock on your hand? How much force do you need to exert on the rock to hold in stationary.

Answer & Explanation

Kailey Santana

Kailey Santana

Beginner2022-09-20Added 12 answers

1) given weight w = 140 l b s
1 l b = 0.4536 k g
mass m = 63.5 k g
2) on the surface of the moon
acceleration due to gravity is g = 9.8 6 = 1.63 m / s 2
weight on the moon w = 63.5 1.63 = 103.5 N
3) mass m = 0.355 k g
weight w = 0.355 9.8 = 3.479 N
4) rock exerts the gravitation pull or weight on the hand
hand exerts normal force on the rock with a magnitude of 3.479 N in the upward direction.

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