physics

An object of mass 50kg is placed on inclined plane at an angle of 30 degrees to the horizontal. The height of the plane is 250cm and it's length is 500cm. What is the workdone in moving the object down the plane?

1. 👍 0
2. 👎 0
3. 👁 252
1. assuming no friction, gravity does all the work and it is the change in potential energy

m g h = 50 * 9.81 * .250 Joules

1. 👍 0
2. 👎 0
posted by Damon
2. I response

1. 👍 0
2. 👎 0
posted by Maryam
3. Please can some one help me to solve this assignment

1. 👍 0
2. 👎 0
posted by Maryam
4. F=mgcos@= 50*9.81*sin30= 424.8N
H=250cm= 2.5m
W=F*h = 424.8*2.5= 1062 J

1. 👍 0
2. 👎 0
posted by Wale

Similar Questions

1. Mechanics for A-level

An object of mass 50kg rests on a rough plane inclined at an angle z to the horizontal. It is supported in this position by a light string parallel to the plane which is attached to the object and fixed to a point at the top of

asked by Bob on April 5, 2012
2. physics

An object of mass 10.0 kg is released from the top of an inclined plane which makes an angle of inclination of 30 degrees with the horizontal. The object slides along the inclined plane. The questions refer to the instant when the

asked by Chika on July 31, 2010
3. physics work and newton

A 2.0 kg object starts from rest from the top of an inclined plane that makes an angle of 30 degrees with the horizontal and has a rise of .4m. It slides down the inclined plane and at the bottom has a kinetic energy of 60J.

asked by naf on November 4, 2012
4. Physics

An object of mass m1 is placed on an inclined plane (angle theta above the horizontal) is connected by a string going over a pulley to a hanging object of mass m2. Determine the acceleration of the system if there is no friction

asked by Anna on October 23, 2016
5. Physics-Conversion of Energy

Can someone help me solve this problem with all of the steps? This is from an online homework assignment but it doesnt have anything like it in the practice example. It asks to NOT use Newton's Law. An object is on Earth with a

asked by Light on November 29, 2018
1. physics

An object is on a frictionless inclined plane. The plane is inclined at an angle of 16.9 degrees with the horizontal. Using the accerlation due gravity(9.8m/s squared),what is the magnitude of object's acceleration?

asked by Vlad on November 30, 2011
2. physics

An object is on a frictionless inclined plane. The plane is inclined at an angle of 25.5 degrees with the horizontal. Using the accerlation due gravity from your reference table. What is the magnitude of object's acceleration?

asked by Anonymous on October 22, 2010
3. physics

Two blocks are connected by a string over a frictionless, massless pulley such that one is resting on an inclined plane and the other is hanging over the top edge of the plane. The inclined plane is inclined at an angle of 37

asked by Haff on November 19, 2013