What is mechanical advantage?
Factor by which a machine multiplies the effort force
.

How do you find the mechanical advantage of most simple machines?

You multiplies the effort

How can you find the mechanical advantage of levers?
Use effort arm and resistance arm to determine the mechanical advantage of a lever

What is the mechanical advantage of a lever with and effort arm of 16cm and resistance arm of 2cm? 34 cm

A machine has a mechanical advantage of 4. Your effort force is 10 newtons. What is the resistance force? 40 effort

battery with hi vtge high val resist in series

when a device is used in a circuit in which the voltage is 81 v, the current flowing through the device is 3 a. what is the resistance of the device?

a. 27 ω

b. 40.5 a

c. 243 ω

d. 243 a

the correct answer is a. 27

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.