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How does fluid force effect the trajectory of the javelin?
Fluid force can affect the trajectory of a javelin by creating drag, which is resistance that opposes the motion of the javelin through the air. The greater the fluid force, the more drag the javelin will experience, leading to a deviation from its intended trajectory. Athletes may need to adjust their technique to minimize the impact of fluid forces on the javelin's flight path.
Which force needs to touch something to have an effect?
The force of friction needs to touch an object to have an effect. Friction occurs when two surfaces are in contact and one surface resists the motion of the other surface. It is this resistance that allows friction to have an effect on objects in contact.
What is desirable effect of friction?
The desirable effect of friction is that it allows us to walk, drive, and grip objects without slipping. This type of friction also helps us stop moving objects and control their speed.
What can be done to minimize the effect of friction?
To minimize the effect of friction, you can use lubricants between surfaces, choose materials with lower friction coefficients, reduce the contact area between surfaces, and ensure proper surface smoothness to reduce frictional resistance.
What is the plowing effect for friction?
The plowing effect in friction refers to the process in which asperities on the surfaces of two materials interlock and displace material from one surface to the other. This can increase the contact area and lead to higher friction levels between the two surfaces.
