Force at an Angle: Solving for Acceleration & Normal Force

  • Thread starter Thread starter EnDev
  • Start date Start date
  • Tags Tags
    Angle Force
AI Thread Summary
A 70 kg box is pulled across a frictionless surface by a 300 N force at a 30-degree angle to the horizontal. The acceleration of the box in the X direction is calculated to be 3.71 m/s². The normal force acting on the box is determined to be 536 N. The solution involves applying the correct physics equations to resolve the forces acting on the box. Understanding the components of the applied force is crucial for solving such problems.
EnDev
Messages
9
Reaction score
0

Homework Statement


http://puu.sh/25OuR

a 70kg box is pulled across a frictionlesssurface by a 300N forace at an angle of 30 degree to the horizontal

A. What is the acceleration of the box in the X direction

b. what is the normal force on the box


Homework Equations



not sure

The Attempt at a Solution



Im not sure which formula to use on this one..
 
Last edited by a moderator:
Physics news on Phys.org
nevermind i figured it out.

A = 3.71 m/s

B 536
 

Thread 'Errors and significant figures'

I multiplied the values first without the error limit. Got 19.38. rounded it off to 2 significant figures since the given data has 2 significant figures. So = 19. For error I used the above formula. It comes out about 1.48. Now my question is. Should I write the answer as 19±1.5 (rounding 1.48 to 2 significant figures) OR should I write it as 19±1. So in short, should the error have same number of significant figures as the mean value or should it have the same number of decimal places as...
View full post »
Thread 'A cylinder connected to a hanging mass'

Thread 'A cylinder connected to a hanging mass'

Let's declare that for the cylinder, mass = M = 10 kg Radius = R = 4 m For the wall and the floor, Friction coeff = ##\mu## = 0.5 For the hanging mass, mass = m = 11 kg First, we divide the force according to their respective plane (x and y thing, correct me if I'm wrong) and according to which, cylinder or the hanging mass, they're working on. Force on the hanging mass $$mg - T = ma$$ Force(Cylinder) on y $$N_f + f_w - Mg = 0$$ Force(Cylinder) on x $$T + f_f - N_w = Ma$$ There's also...
View full post »

Similar threads

Angle between normal force and radial line for cylindrical coordinates
Replies
21
Views
2K
Force pulling on a string at an angle with a block at the other end
Replies
2
Views
1K
Acceleration & Normal Force of a Box: 4 m/s2 & 418 N
Replies
9
Views
2K
Determining the angle while dealing with friction on an inclined plane
Replies
8
Views
3K
What is the normal force exerted on a suitcase being pulled at an angle?
Replies
2
Views
2K
Calculating the frictional forces on a sliding box on a ramp
Replies
2
Views
3K
Minimum force to make box slide down slope
Replies
2
Views
2K
Friction Acceleration: Solving for Coefficient and Force Angle
Replies
1
Views
1K
Question about Normal Force and Torque
Replies
5
Views
3K
How do you find the normal force of an object being pushed?
Replies
8
Views
2K

Hot Threads

Recent Insights

Back
Top