Which of the following is an example of newton's second law of motion?
a. catie's skateboard hits a curb and she falls forward onto the grass. b. a tissue and a rock are dropped from a ladder.
c. the rock exerts a greater force when it hits the ground.
d. a person stands on a chair and pushes down, and the chair pushes upwards on the person.
e. tires from a bike push against the road and the road push back.

B

Explanation:

Newton’s Second Law of Motion

Newton’s Second Law of Motion states that ‘when an object is acted on by an outside force, the mass of the object equals the strength of the force times the resulting acceleration’.

This can be demonstrated dropping a rock or and tissue at the same time from a ladder. They fall at an equal rate—their acceleration is constant due to the force of gravity acting on them.

The rock's impact will be a much greater force when it hits the ground, because of its greater mass. If you drop the two objects into a dish of water, you can see how different the force of impact for each object was, based on the splash made in the water by each one.

the working equation for the angular size is the product of the physical size and 360 degrees divided by the product of two pi and distance from earth. the minimum size would be 0.559 degrees while the maximum size would be 0.49 degrees. 

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