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What are two of the ways that the velocity of a car can change?
The velocity of a car can change by increasing its speed, such as accelerating when pressing the gas pedal, or by decreasing its speed, such as decelerating when applying the brakes.
Describe two effects of a force on a moving object?
The force can change the speed of the object by either speeding it up or slowing it down. The force can also change the direction of the object's motion, causing it to turn or move in a different path.
What are 2 ways to chande the frictional force?
Two ways to change the frictional force are by changing the nature of the surfaces in contact (e.g., increasing roughness) and by altering the normal force pressing the surfaces together (e.g., adding weight to increase the normal force).
Is force necessary to change the speed or direction of a body?
Yes, force is necessary to change any motion of an object. The force can, for example be gravity or friction. Without these two factors, an object would continue moving in its original velocity (speed and direction) in eternity.
Explain the term balanced force and unbalanced force?
balanced forces are when the two opposite forces are equal and cause no change to the object e.g a car at a steady speed. unbalanced forces would cause the car to increase or decrease in speed
Two ways to change velocity?
speed and direction
What two ways can velocity change?
changes in speed or direction or both
What are two different ways to change drag on an airplane?
Speed and flaps.
What are the two ways to increase acceleration of an object?
Decrease the mass, and change the force.
What are two of the ways that the velocity of a car can change?
The velocity of a car can change by increasing its speed, such as accelerating when pressing the gas pedal, or by decreasing its speed, such as decelerating when applying the brakes.
Describe two effects of a force on a moving object?
The force can change the speed of the object by either speeding it up or slowing it down. The force can also change the direction of the object's motion, causing it to turn or move in a different path.
What two ways do force work?
what two ways do forces work?
What are 2 ways to chande the frictional force?
Two ways to change the frictional force are by changing the nature of the surfaces in contact (e.g., increasing roughness) and by altering the normal force pressing the surfaces together (e.g., adding weight to increase the normal force).
Is force necessary to change the speed or direction of a body?
Yes, force is necessary to change any motion of an object. The force can, for example be gravity or friction. Without these two factors, an object would continue moving in its original velocity (speed and direction) in eternity.
Explain the term balanced force and unbalanced force?
balanced forces are when the two opposite forces are equal and cause no change to the object e.g a car at a steady speed. unbalanced forces would cause the car to increase or decrease in speed
What are factors that can affect speed?
Thrust and friction in the environment. Ignoring friction, the two chief factors are the force of acceleration and mass, which determines how much force is required to achieve a given speed (more technically the change of velocity: speed in a given direction).
What are the two ways pressure can change?
Pressure can change by altering the force applied to the surface or by changing the area over which the force is distributed. Increasing the force or decreasing the area results in higher pressure, while decreasing the force or increasing the area results in lower pressure.
