Obtain the minimum work required for both pulling & pushing

Reference no: EM13650819

A student could either pull or push, at an angle of30o from the horizontal, a 50-kg crate on a horizontalsurface, where the coefficient of kinetic friction between thecrate and surface is 0.20. The crate is to be moved a horizontaldistance of 15 m.

(a) Compared with pushing, pulling requires the student to do (1)less, (2) the same, or (3) more work.

(b) Calculate the minimum work required for both pulling andpushing.

Reference no: EM13650819

Questions Cloud

Evaluate how much work is done on the ball by the club : when a 0.045 kg golf ball takes off after being hit, its speedis 41m/s, how much work is done on the ball by the club

What is the work done by the pulling force : A 2.40*10^2 N force is pulling a refrigerator across ahorizontal surface.The force acts at an angle of 20.0degree abovethe surface. what is the work done by the pulling force

Explain the ph of a water that contains bicarbonate ion : What is the pH of a water that contains 120 mg/L of bicarbonate ion and 15 mg/L of carbonate ion? I'm not sure where to begin with this

What role does corporate-level strategy : What role does corporate-level strategy play in relation to business-level strategy?

Obtain the minimum work required for both pulling & pushing : A student could either pull or push, at an angle of30o from the horizontal, a 50-kg crate on a horizontalsurface, Calculate the minimum work required for both pulling andpushing

The models for marketing communication : Suggest the best among all the models for marketing communication

Find how high above the water does the ball shoot upward : A 1.0 kg hollow ball with a radius of 0.08 m, filled with air, isreleased from rest at the bottom of a 2.2 m deep pool of water. How high above the water does the ball shoot upward

What are the similarites and differences in africa : In heart of darkness and things fall apart what are the similarites and differences in the way each author describes Africa and its inhabitants?

What is the speed of the water at the top of the falls : The height of the upper falls at Yellowstone Falls is 32.2m. When the water reaches the bottom of the falls, its speed is 25.8m/s. what is the speed of the water at the top of the falls

User Account

All Pages