Question

the photo shows a skateboarder applying a force against one edge of a skateboard as she rides down a hill. how does this action cause the skateboarders motion to change?

A.it applies an unbalanced sideways force that causes a change in direction.

B.it increases the net force pointing down the hill so she speeds up.

C. it applies a balanced sideways force that causes a change in direction.

D. it increases the force of friction so she slows down.

Answer 1

This action cause the skateboarders motion to it increases the force of friction so she slows down. Option D is correct. This is further explained below.

What is motion?

Generally, is simply defined as moving or being moved, either as an action or a process.

In conclusion, The skateboarder's velocity is slowed down by this movement because it increases the frictional force.

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Answer 2

Option D. This action cause the skateboarders motion to change because it increases the force of friction so she slows down.

What is frictional force?

This is the force that opposes motion or cause a moving object to stop or slow down.

Ff = μmg

where;

Ff is frictional force

• μ is coefficient of frcition
• m is mass of the object
• g is acceleration due to gravity

The frictional force between the skateboard and the hill increases with increase in weight of the skateboard.

As the skateboarder applies the force on one edge of the skateboard, the applied to the skateboard increases which in turn increases the frictional force between the skateboard and the hill, reducing the speed of the skateboarder.

Thus, this action cause the skateboarders motion to change because it increases the force of friction so she slows down.

Learn more about frictional force here: https://brainly.com/question/13680415

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