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PRACTICE EXERCISE 1

Write TRUE if the statement is CORRECT, and FALSE if it is INCORRECT.

__________________1. When an object is increasing in velocity over time it is said to be

accelerating.

__________________2. If the speed decreases, the acceleration is in the opposite direction from

the velocity, and the acceleration is negative.

__________________3. Acceleration occurs when an object changes its speed, direction or both.

__________________4. If an object is moving at constant velocity, it is said to be moving with

negative acceleration.

__________________5. A car that begins to move from rest or speed up to pass

another car is accelerating.

__________________6. When a car speeds up, that is a positive acceleration.

__________________7. Acceleration also has direction, just as speed does.

__________________8.When an object is decreasing in velocity over time, it is said to be

decelerating.

__________________9. When a car is moving in a curved path it is said to be accelerating.

__________________10.The acceleration of an object depends on the change in velocity and the

time required to change the velocity.

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Sagot :

MarkDaliaonidn

Answer:

PRACTICE EXERCISE 1

Write TRUE if the statement is CORRECT, and FALSE if it is INCORRECT.

FALSE1. When an object is increasing in velocity over time it is said to be

accelerating.

TRUE2. If the speed decreases, the acceleration is in the opposite direction from

the velocity, and the acceleration is negative.

TRUE3. Acceleration occurs when an object changes its speed, direction or both.

FALSE4. If an object is moving at constant velocity, it is said to be moving with negative acceleration.

TRUE5. A car that begins to move from rest or speed up to pass another car is accelerating.

TRUE6. When a car speeds up, that is a positive acceleration.

TRUE7. Acceleration also has direction, just as speed does.

TRUE8.When an object is decreasing in velocity over time, it is said to be decelerating.

FALSE9. When a car is moving in a curved path it is said to be accelerating.

TRUE10.The acceleration of an object depends on the change in velocity and the time required to change the velocity.

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