kyliemarais01 kyliemarais01

22-04-2022
Physics

contestada

A 3m plank AB of mass 20kg has a center of gravity 2m from end A and rests on supports R1 and R2 both 0,5m from either end. It also carries a 10kg block at end A. Calculate the reactions at R1 and R2

Respuesta :

Аноним Аноним

22-04-2022

Answer:

130.7 N

Explanation:

Answer Link

Otras preguntas

What are the pros and cons of having high levels of phosphorus in soil from added fertilizers?

Find the Surface Area of: (When working this problem, round to the nearest tenth for the slant height and final answer. Use pi=3.14)

What happens to straight hair after a chemical perm or relaxer is applied

Jane and Maria split 135 stickers in the ratio 8:7. How many stickers did each girl get?

What relationship appears to exist between solar radiation and the average temperature at the chosen location on Earth?

How do Watson and Crick described the structure of DNA?

Work out the length QR. Give your answer correct to 3 significant figures. Total marks: 5

HELP PLEASE! :( The temperature of a cup of coffe changed by -54°F over 22 1/2 minutes. What was the change in temperature each minute?

HELPPPPPPPPPPPPPP!!!!!!!!!!!!!!!!!!! ENGLISHHHHHHH

From the diagram let x represent side of AB and y represent side of AC