3. a volleyball player lands from a jump and tries to stop her forward motion. the normal contact force exerted by the floor on her shoes is 2000 n. the friction force exerted by the floor on her shoes is 400 n acting backward on the player. what is the resultant ground reaction force exerted by the floor on the volleyball player's shoes? (2 points)

Respuesta :

Both are perpendicular to each other so resultant ground reaction force exerted by the floor on the volleyball player's shoes

=2088N approx

What is motion?

In physics, movement is the phenomenon wherein an item adjustments its function with appreciate to time. Motion is mathematically defined in phrases of displacement, distance, velocity, acceleration, speed and body of reference to an observer and measuring the extrade in function of the frame relative to that body with extrade in time. The department of physics describing the movement of items with out connection with its reason is called kinematics, at the same time as the department reading forces and their impact on movement is called dynamics. If an item isn't converting relative to a given body of reference, the item is stated to be at rest, motionless, immobile, stationary, or to have a steady or time-invariant function close to its surroundings. Modern physics holds that, as there's no absolute body of reference, Newton's idea of absolute movement can't be determined. As such, the whole thing within side the universe may be taken into consideration to be in movement.

Friction force=600 N

The normal contact force exerted by the floor on her shoes = 2000 N

Botha are perpendicular to each other so resultant ground reaction force exerted by the floor on the volleyball player's shoes=((600)^2+(2000)^2)^0.5=2088.06130178N

=2088N approx

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