Speed is a description of how fast an object moves; velocity is _________and ________ it moves.

how fast an object moves , direction

You can calculate the acceleration of an object by dividing the.

change in velocity by change in time.

How does air resistance affect falling objects?

Changes motion relative to surface area of object

What is the relationship between velocity and acceleration?

Acceleration is the rate at which velocity itself changes.

For a falling object, how does the distance per second change?

a greater distance than the previous second

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Duplicate of Duplicate of Hewitt Chapter 4 Review

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Newton's laws of motion with conceptual and numerical questions #newton #physics #highschool

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Answers

1
What does a slope of a speed-versus-time graph represent?
Acceleration
Velocity
Displacement
Speed
2
You can calculate the speed of an object by dividing the.
velocity by time.
distance covered by time.
time by velocity
time by distance covered
3
An object is moving if its position relative to _____ is changing.
another moving object
an object in free fall
a fixed point
an accelerating object
4
Speed is a description of how fast an object moves; velocity is _________and ________ it moves.
displacement of an object , direction
how fast an object moves , direction
acceleration of an object , direction
None of the above
5
You can calculate the acceleration of an object by dividing the.
change in time by change in velocity
change in velocity by change in time.
change in distance covered by change in time.
change in time by change in distance covered
6
What is the acceleration of an object in free fall?
10 km/s2
10 m/s2
10 cm/s2
10 m/s
7
How does air resistance affect falling objects?
Changes motion relative to weight of object
No change, all objects fall at 10 m/s2
Changes motion relative to mass of object
Changes motion relative to surface area of object
8
What does a slope of a distance-versus-time graph represent?
Acceleration
Free Fall
Distance
Velocity
9
What is the relationship between velocity and acceleration?
Acceleration is the rate at which velocity is squared
Acceleration is the rate at which velocity itself changes.
Acceleration is only the rate at which velocity increases
Acceleration is twice the rate at which velocity changes.
10
For a falling object, how does the distance per second change?
10 meters each second
Same distance each second
a greater distance than the previous second
None of the Above

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