to this answer it is drugs because all this stuff you named are substances which are drugs.
Answer:
Because the different waves will feel like to bounce off to different directions, and different items will do different actions.
I believe it is away from his arm since the question states his arm is applying an upwards force
Answer: The force will exert into the tree causing it to absorb the compact hit by the car which means the car gets damaged severely but the tree maybe only has a tiny crack. Mark me as Brainliest! :)
Explanation:
Answer:External forces are forces caused by external agent outside of the system. Internal forces are forces exchanged by the objects in the system.
Explanation:or our purposes, we will simply say that external forces include the applied force, normal force, tension force, friction force, and air resistance force. And for our purposes, the internal forces include the gravity forces, magnetic force, electrical force, and spring force.HOPE THIS HELPS!!! ^w^