Register
forms/d/e/1FAIpQLSeQC9aP2WLau6pcakfeh7dc5Cb9DLRL3k7hC9qEO_QYBs8JlQ/viewform?hr_submission=Chkikd_Jyek.6. A 120 N horizontal force that is applied to a 20 kg mass on a flat surface 5 pointskeeps it moving
78,291 views
2 votes
2 votes
forms/d/e/1FAIpQLSeQC9aP2WLau6pcakfeh7dc5Cb9DLRL3k7hC9qEO_QYBs8JlQ/viewform?hr_submission=Chkikd_Jyek.6. A 120 N horizontal force that is applied to a 20 kg mass on a flat surface 5 pointskeeps it moving at a constant speed of 4 m/s. The normal force from thesurface is *200 N120 NO 6NON

User Smamatti
by
2.9k points

1 Answer

16 votes
16 votes

Since the mass is moving on a flat surface and there is no vertical force being applied, we have the following free body diagram:

The mass is not moving in the vertical direction, therefore the normal force is equal the weight force, so we have N = 200 N.

The correct option is the first one.

forms/d/e/1FAIpQLSeQC9aP2WLau6pcakfeh7dc5Cb9DLRL3k7hC9qEO_QYBs8JlQ/viewform?hr_submission-example-1
User Syspect
by
2.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers

Other Questions

After a light turns green , Lesly accelerates to 120 km/hr over 100 meters . What is her acceleration in m/s^2
If a constant fotce of 490 newtons is applied to an object and it proceeds to accelerate in the opposjte direction at 9.8 meters per second, every second, what is its mass?
How can I solve the following? In (Figure 1), let V = 15.0 V and C1=C2=C3= 24.2 μF. Part A: How much energy is stored in the capacitor network as shown in (Figure 1)? Part B: How much energy would be stored
1. if i start with 48 ml of water in a graduated cylinder, after submerging an object the water level rises to 63 ml, what is the volume of the object. 2. if i start with 36 ml of water in a graduated
Why is the system of si unit developed
Link Copied!