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When is acceleration of an object positive?
Acceleration of an object is positive when its velocity is increasing over time. This means the object is speeding up in the direction of its motion.
What does a positive acceleration mean?
Positive acceleration means that an object's velocity is increasing over time. This can happen when an object is speeding up in the direction of its motion.
What does a positive acceleration position-time graph indicate about the motion of an object?
A positive acceleration position-time graph indicates that the object is speeding up or moving in the positive direction.
What changes in motion can produce acceleration?
Changes in speed, changes in direction, and both combined can produce acceleration in an object's motion. Acceleration occurs when there is a net force acting on an object, causing it to speed up, slow down, or change direction.
What does a position-time graph indicate about an object's motion when it shows positive acceleration?
A position-time graph showing positive acceleration indicates that the object is moving in the positive direction and its speed is increasing over time.
When is acceleration of an object positive?
Acceleration of an object is positive when its velocity is increasing over time. This means the object is speeding up in the direction of its motion.
A force that acts on an object does only when the object moves?
A force will produce acceleration when the object moves. force in the line of motion will increase the acceleration and the force opposite to the line of motion will decrease the acceleration.
What does a positive acceleration mean?
Positive acceleration means that an object's velocity is increasing over time. This can happen when an object is speeding up in the direction of its motion.
What does a positive acceleration position-time graph indicate about the motion of an object?
A positive acceleration position-time graph indicates that the object is speeding up or moving in the positive direction.
What changes in motion can produce acceleration?
Changes in speed, changes in direction, and both combined can produce acceleration in an object's motion. Acceleration occurs when there is a net force acting on an object, causing it to speed up, slow down, or change direction.
How does a negative or positive acceleration affect motion?
It can change the direction of motion or it can speed up or slow down an object.
What does a position-time graph indicate about an object's motion when it shows positive acceleration?
A position-time graph showing positive acceleration indicates that the object is moving in the positive direction and its speed is increasing over time.
How can a positive acceleration produce a deceleration?
If an object is moving in the negative direction (backwards) and experiences a positive acceleration in the positive direction (forwards), it will slow down and decelerate. This is because the acceleration is acting in the opposite direction of the object's velocity, causing it to decrease.
How does a force produce motion?
A force applied to an object can cause the object to accelerate and change its motion. Newton's second law states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. This means that a greater force will result in a greater acceleration and thus produce motion in the object.
What does a positive slope on a velocity and time graph mean in terms of motion?
A positive slope on a velocity-time graph indicates that the object is moving in the positive direction (e.g., right or up) and experiencing a constant acceleration. The steeper the slope, the greater the acceleration of the object.
How does positive and negative acceleration affect motion?
positive acceleration helps to increase the velocity for positive direction while negative acceleration resists the motion.
How can you tell if acceleration is positive or negative?
Acceleration is positive when an object is speeding up in the positive direction (e.g., increasing velocity), and negative when the object is slowing down in the positive direction or moving in the negative direction (e.g., decreasing velocity). The sign of acceleration depends on the direction of the change in velocity relative to the direction of motion.
