Practice Exam

Question 25 • Physics

Which best illustrates projectile motion?

Answer

Image with description A pictorial diagram with a person swimming and position shown in equal time intervals and equally spaced.

Image with description A pictorial diagram showing a hot air balloon in four different positions, each the same height from the ground and equally spaced.

Image with description A pictorial diagram with a rocket launched straight upward. The first three positions of the rocket are shown with equal spacing between them.

Image with description A pictorial diagram of a person hopping sideways at 5 different positions. The start and end positions are on the ground. The third image is the highest off the ground.

Explanation

Projectile motion occurs when an object moves through the air under the influence of gravity, following a curved path. The person hopping sideways rises and then falls back to the ground, so the positions trace that kind of path. The balloon moves at a constant height, the rocket goes straight upward, and the swimmer moves through water rather than through the air.

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