Answer:
The 200kg
Explanation:
Because 400kg is more weight and the 200kg would be much easier to push
Answer:
A. True
Explanation:
Hope it helps you in your learning process
<span>Flexor and extensor muscles work antagonistically to operate the joint.
Flexor and extensor muscle work in the different direction. This will be called antagonist muscle because their force will cancel each other. It is important to have antagonist muscle because muscle could only shorten, thus could only move the body in one direction. Having two antagonist muscle will allow 2 moving direction</span>
We are not explaining something, just describing a fact about nature. This law has been repeatedly supported by many observations and experiments.
