Net Force on 2m Mass: Prove/Disprove?

In summary, the conversation discusses three masses, m, 2m, and 3m, on a horizontal surface with a force F acting on the 3m mass. The question asks for the net force on the 2m mass and the effect on the answer if F is constant and μs,k = 0. However, there is an important diagram missing and the equation provided, μs,k = m+2m+3m, does not make sense.
  • #1
Cali37
3
0

Homework Statement


Three masses m, 2m and 3m are placed on a horizontal surface. A force F is shown acting on m3. Assuming μs,k is the same between all of the masses and the horizontal surface, answer the following:
a) Find the expression for the net force on the 2m mass.
b) For F constant, μs,k =0 then the answer to (a) must decrease. Prove or Disprove.


Homework Equations


F=ma


The Attempt at a Solution


F=ma
μs,k =m+2m+3m
 
Physics news on Phys.org
  • #2


There appears to be a vital diagram missing.
μs,k =m+2m+3m
That makes no sense. The quantity on the left is a dimensionless coefficient, while that on the right is a mass.
 

FAQ: Net Force on 2m Mass: Prove/Disprove?

1. What is net force and how is it calculated?

Net force is the overall force acting on an object, taking into account all of the individual forces acting on it. It is calculated by summing up all of the forces in a given direction, taking into account their directions and magnitudes.

2. How does the mass of an object affect its net force?

The mass of an object does not directly affect its net force. However, a larger mass may require a larger force to produce the same acceleration, according to Newton's second law (F=ma).

3. How can we prove that the net force on a 2m mass is greater than the net force on a 1m mass?

We can prove this by conducting an experiment where we measure the net force on both a 2m mass and a 1m mass under the same conditions. We should see that the net force on the 2m mass is twice the net force on the 1m mass, demonstrating that the net force is directly proportional to the mass.

4. Is it possible for the net force on a 2m mass to be zero?

Yes, it is possible for the net force on a 2m mass to be zero. This would occur if all of the individual forces acting on the mass cancel each other out, resulting in a net force of zero.

5. Can the direction of the net force on a 2m mass change?

Yes, the direction of the net force on a 2m mass can change. This would occur if the direction of one or more of the individual forces acting on the mass changes, resulting in a change in the overall direction of the net force.

Similar threads

Calculating Net Force of 3 Blocks in an Elevator
Replies
9
Views
2K
Net Force acting on block on incline
Replies
1
Views
1K
How do I calculate the mass of a moving object?
Replies
1
Views
2K
Effect on net torque and net force on spools
Replies
9
Views
2K
Find velocities when a mass leaves a system of a rod with two masses
Replies
10
Views
1K
Newton’s Law of Motions: tension forces in a pulley
Replies
4
Views
1K
Stopping distance and static friction
Replies
1
Views
3K
Net force and acceleration as a result of a parachute
Replies
1
Views
3K
Cylinder rolling due to magnetic force
Replies
4
Views
1K
Finding x(t) for a Particle Under Force F(x) = kx
Replies
15
Views
2K

Hot Threads

Recent Insights

Back
Top