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Understand why an accelerator causes a change in a car's velocity?
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What causes the change in velocity?
Any force causes acceleration i.e. change in velocity.
What causes a spaceshuttle to change in velocity by change in direction?
A change in velocity constitutes a change in direction because velocity includes direction.
What causes a cars velocity to change?
The velocity of a car - or of any object for that matter - can only be changed as a result of a force applied to the car. ======================== On pressing the accelerator the pistons in the engine starts to move faster which accelerates the rotating gears attached to the wheels thus making the wheels rotate faster pushing the car's velocity up.
What is the force that causes the velocity of an object to change?
Any force causes the velocity of an object to change, as long as it is not exactly compensated by one or a group of other forces that exactly cancel its influence.
How do forces cause a change in an object's momentum?
A force acting on a body causes acceleration. Acceleration is measure of the rate of change in the object's velocity. As its velocity changes, its momentum, which is the product of its mass and velocity, will change.
What two controls on a car cause a change in velocity?
The cruise control, since it affects the accelerator, can also cause a change in velocity.
What causes the change in velocity?
Any force causes acceleration i.e. change in velocity.
What causes a spaceshuttle to change in velocity by change in direction?
A change in velocity constitutes a change in direction because velocity includes direction.
What control causes a change in volocity?
A resultant force causes a change in velocity.
What causes a cars velocity to change?
The velocity of a car - or of any object for that matter - can only be changed as a result of a force applied to the car. ======================== On pressing the accelerator the pistons in the engine starts to move faster which accelerates the rotating gears attached to the wheels thus making the wheels rotate faster pushing the car's velocity up.
How do you safely change a car's velocity?
Slowly press on the accelerator to go more quickly. Slowly press down on the brake pedal to go more slowly. These two operations can safely change a car's velocity.
What is the force that causes the velocity of an object to change?
Any force causes the velocity of an object to change, as long as it is not exactly compensated by one or a group of other forces that exactly cancel its influence.
What can forces cause a change in?
A force causes an acceleration. That implies that it will change: * The velocity, and * The momentum.
How do forces cause a change in an object's momentum?
A force acting on a body causes acceleration. Acceleration is measure of the rate of change in the object's velocity. As its velocity changes, its momentum, which is the product of its mass and velocity, will change.
How is the initial velocity zero but the acceleration is not?
Going back to definitions, Velocity is change of distance with time; and acceleration is change in velocity with time. Initially, the velocity is zero, as is the acceleration, BUT the Force of Gravity attracts the falling mass, and causes velocity to appear. But the continued application of the Force of Gravity causes the velocity to increase. And as we know, increase in velocity is acceleration. [space for QED]
Why is the accelerator pedal in a car called by this name?
An accelerator pedal is named as such because it acts to accelerate or change the velocity of the vehicle. In most cases it causes the engine to use more fuel to act to cause a force (or something that accelerates an object) on the vehicles tires. This cause the vehicle to either speed up, or maintain a speed, or fight a deceleration.
What is the force that causes a change of velocity when acting on an object?
Opposing force
