# Physics

An object (mass 3.2kg ) slides upward on a vertical wall at constant velocity when a force F of 54N acts on it at an angle of 60∘ to the horizontal. N = 27 N

Determine the force of kinetic friction on the object.

1. 👍 0
2. 👎 0
3. 👁 84
1. F(fr) +mg= F(y)
F(y) = Fsinα
F(fr) =Fsinα-mg

1. 👍 0
2. 👎 0
posted by Elena

## Similar Questions

1. ### physics

A block is pressed against a vertical wall by a force , as the drawing shows. This force can either push the block upward at a constant velocity or allow it to slide downward at a constant velocity. The magnitude of the force is

asked by bill on June 30, 2013
2. ### Physics

In a vertical lifting an object with mass of 2kg is lifted 1m above the ground. A work of 80J is done with a constant force. What is the acceleration of the object?

asked by Anonymous on November 21, 2016
3. ### Physics

A mass of 2.2kg is placed on a stiff vertical spring which has a spring constant of 950n/m. The object is then pressed against the spring until it has been compressed a distance of 77cm. The mass is then released and is allowed to

asked by Rob on February 25, 2012
4. ### Physics

A small source of light is located at a distance from a vertical wall. An opaque object with a height of moves toward the wall with constant velocity of magnitude . At time , the object is located at the source .

asked by Matt on September 15, 2011
5. ### Physics- Equilibrium

Which of the following is in equilibrium? a. an object that was thrown straight upward at the moment it has zero velocity (my answer) b. an object moving in a circle at constant speed c. an object that moves at constant velocity

asked by MM on November 21, 2016
6. ### University Physics

A small box is held in place against a rough vertical wall by someone pushing on it with a force directed upward at 28degrees above the horizontal. The coefficients of static and kinetic friction between the box and wall are 0.40

asked by Leah on September 28, 2009
7. ### Physics

A small box is held in place against a rough vertical wall by someone pushing on it with a force directed upward at 28∘ above the horizontal. The coefficients of static and kinetic friction between the box and wall are 0.40 and

asked by Navi on February 25, 2015
8. ### Physics

A small box is held in place against a rough vertical wall by someone pushing on it with a force directed upward at 28degrees above the horizontal. The coefficients of static and kinetic friction between the box and wall are 0.40

asked by Ashley on September 25, 2009
9. ### physics

A 2kg object moving 3m/s strikes a 1kg object initially at rest. Immediately after the collision, the 2kg object has a velocity of 1.5m/s directed 30° from its initial direction of motion. What is the x and y component of the

asked by Anonymous on April 5, 2018
10. ### physics

A 2kg object moving 3m/s strikes a 1kg object initially at rest. Immediately after the collision, the 2kg object has a velocity of 1.5m/s directed 30° from its initial direction of motion. What is the x and y component of the

asked by Anonymous on April 5, 2018

More Similar Questions