Question

the effort arm of a lever is for metre long and the load arm is 8 metre long find the effort required to lift a load of 20 N ​

Answer 1

Answer:

80N

Explanation:

Load × Load arm = Effort × Effort arm

40N × 6 = Effort × 3

Effort = 80N

Hope it helps you

Answer 2

Answer:40 N

Explanation: Load x Load Arm = Effort x Effort Arm

20 x 8 = Effort x 4

So,

Effort = 20 x 8 / 4 newtons

Therfore,

Effort = 40 N