Please answer the following, will give a thumbs up. An astronaut on a spaceship
ID: 285252 • Letter: P
Question
Please answer the following, will give a thumbs up.
An astronaut on a spaceship is perforing his daily routine when he accidentally drops his toothbrush. At the same moment, the ship's engines activate, and the astronaut sees his toothbrush accelerate towards the back wall. What can the astronaut conclude? O Because the toothbrush was thrown backwards, there will be an equal and opposite reaction which throws the astronaut forwards Because the astronaut saw the toothbrush accelerate even though no one applied a force to it, the astronaut is not in an inertial reference frame O Because the astronaut saw the toothbrush accelerate, there must have been an unseen force acting on it. O Because the toothbrush did not remain stationary, this proves that there is no inertia when there is no gravityExplanation / Answer
Because the astonaut saw the toothbrush accelerate even though there is no one applied a force to it, the astronaut is not in an inertial reference frame.
It will take more force to acceleratethe truck full of sand, because it is more massive.
The gravitational force exerted by the bird only exists when it is flying in the air, but disappears when it lands.