malloryjackson4942 malloryjackson4942
  • 02-04-2020
  • Physics
contestada

A ramp is used to lift a refrigerator a height of 12 m with a force of 110 N. The ramp is at an angle of 50° to the ground.How much work is being done

Respuesta :

lublana
lublana lublana
  • 03-04-2020

Answer:

848.5 J

Explanation:

We are given that

Height,h=12 m

Force,F=110 N

[tex]\theta=50^{\circ}[/tex]

We have to find the work done .

We know that

Work done,W=[tex]Fscos\theta[/tex]

Using the formula

W=[tex]110\times 12cos50[/tex]

W=848.5 J

Hence,the work done=848.5 J

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