When a ball is thrown up into the air, what two forces are at work?
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1 point
Gravity
Air Resistance
Friction
Inertia
The two forces at work when a ball is thrown up into the air are gravity and air resistance.
When a ball is thrown up into the air, two forces are at work: Gravity and Air Resistance.
When a ball is thrown up into the air, two forces are at work: gravity and air resistance.
Gravity is a fundamental force that pulls objects towards the center of the Earth. When the ball is thrown up, gravity acts in the opposite direction, pulling the ball back towards the ground. This force is responsible for bringing the ball back down after it reaches its highest point in the air.
Air resistance is the force that opposes the motion of an object through the air. As the ball moves through the air, it encounters air molecules that cause resistance or drag. This resistance slows down the ball's upward motion and eventually brings it back down. The amount of air resistance depends on various factors such as the size and shape of the ball, the speed at which it is thrown, and the air density.
Friction and inertia are not the forces at work when a ball is thrown up in the air. Friction is a force that opposes the motion of objects in contact with each other, and it is not directly involved in the motion of the ball in the air. Inertia is the tendency of an object to resist changes in its motion. While inertia is at play in the ball's motion, it is not considered as one of the forces at work when the ball is thrown up in the air.