Register
A 10 kg backpack is on the floor. Someone gently pulls on it, upwards with a 15 N force. What is the normal force acting on the backpack?
123k views
1 vote
A 10 kg backpack is on the floor. Someone gently pulls on it, upwards with a 15 N force. What is the normal force acting on the backpack?

User Grouchal
by
6.9k points

2 Answers

2 votes
If backpack was simply at rest then normal force would be 100N( g=10m/s^2). It's is being pulled gently in upward direction. So Normal force will be. N= mg - 15 = 10x10 - 15 = 85N. I took g=10m/s^2 for simplification. Hope it helps.
User Zerodf
by
7.7k points
3 votes
maybe 25gs of force because 10+15=25


User LumberSzquatch
by
8.5k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

At sea level, water boils at 100 degrees celcius and methane  boiled at -161 degrees celcius. Which of these substances has a stronger force of attraction between its particles? Explain your answer
Physical properties of minerals graphic organizer
A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
What type of rock is the Haystack rock (igneous, Metamorphic, or Sedimentary)
what is a device that transforms thermal energy to mechanical energy
Link Copied!