kaynutAirastbt kaynutAirastbt
  • 25-11-2016
  • Physics
contestada

4. You exert 375 J to move a 45-kg object 5 m. How much force is required? (Points : 3)
1,875 N
75 N
420 N
225 N

Respuesta :

MissPhiladelphia
MissPhiladelphia MissPhiladelphia
  • 26-11-2016
In physics, a force is said to do work if, when acting, there is a displacement of the point of application in the direction of the force. It is calculated by the formula W = f x d. Therefore, we calculate the problem above as follows:

W = f x d
375 = f x 5
f = 75 N <------SECOND OPTION
Answer Link

Otras preguntas

Please help me i have a lot of work today. If a = 6 in and b = 5 in, what is the area of the sketch?
Why do you think that many Europe- ans favored communism after World War II?
I need to find a study about plants along with their mean and standard deviations ?
Convert 58 cm to ml.
Find x when y = 5 in the literal equation 4x + 7y= 51.
The vocabulary word that means a part or ingredient is called . component Industrialization technology
Solve: .5x + 8 ≤ 10 What is x equal to?
The dDifference in hours between full times and the part timers to work three hours a day is 2 working hours how many hours per day to full timers work
The author seems to admire Frida Kahlo's brave personality. Which detail supports these feelings? Diego Rivera remembered hearing Frida Kahlo's name from the Na
In an ecosystem, which is NOT a density-dependent limiting factor? Select one: a. Parasitism b. Natural disaster c. Competition d. Predation