A student investigates the motion of a ball falling through the air. Which quantity is a vector?*1 pointthe gravitational force on the ballthe speed at which the ball hits the groundthe diameter of the ballthe distance from which the ball is dropped
Question
A student investigates the motion of a ball falling through the air. Which quantity is a vector?*1 pointthe gravitational force on the ballthe speed at which the ball hits the groundthe diameter of the ballthe distance from which the ball is dropped
Solution
The gravitational force on the ball is a vector quantity. This is because it has both magnitude (the strength of the force) and direction (towards the center of the Earth). The other options - speed at which the ball hits the ground, the diameter of the ball, and the distance from which the ball is dropped - are all scalar quantities, meaning they only have magnitude and no direction.
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