Question
According to Newton's First Law of Motion, an object in motion will stay in at the same speed and direction unless acted upon by what kind of force? (1 point)
Ite
Iter
a net force
Iter
an unbalanced force
Item
a balanced force
Item
O inertia
Ite
Iter
a net force
Iter
an unbalanced force
Item
a balanced force
Item
O inertia
Answers
Answer
A runner exerting a running force of 325 N to the right is met with an air resistance force of 45 N co the left. What is the net force of the runner? (1 point)
325 N
370 N
280 N
45 N
325 N
370 N
280 N
45 N
Answer
Which of the following describes velocity? (1 point)
Velocity is the resistance of an object to a change in its speed or direction.
Velocity is a force that changes an object's speed and/or direction.
Velocity is the sum of all of the forces acting on an object.
Velocity is the speed of an object in a particular direction.
Velocity is the resistance of an object to a change in its speed or direction.
Velocity is a force that changes an object's speed and/or direction.
Velocity is the sum of all of the forces acting on an object.
Velocity is the speed of an object in a particular direction.
Answer
An object that is stationary is the result of what kind of force(s)? (1 point)
balanced forces
Onet forces
unbalanced forces
Ono forces
balanced forces
Onet forces
unbalanced forces
Ono forces
Answer
A pushing force of 7 N to the right is applied to a book on a table. A frictional force of 3 N is applied in the opposite direction. In which direction will the book move? (1 point)
The book will stay stationary.
More information is needed.
The book will move to the right.
The book will move to the left.
The book will stay stationary.
More information is needed.
The book will move to the right.
The book will move to the left.
Answered by
GPT-4o mini
According to Newton's First Law of Motion, an object in motion will stay in motion at the same speed and direction unless acted upon by **an unbalanced force**.
Answered by
GPT-4o mini
To find the net force, we subtract the air resistance force from the running force because they are acting in opposite directions.
Net force = Running force - Air resistance force
Net force = 325 N (to the right) - 45 N (to the left)
Net force = 325 N - 45 N = 280 N (to the right)
So, the net force of the runner is **280 N**.
Net force = Running force - Air resistance force
Net force = 325 N (to the right) - 45 N (to the left)
Net force = 325 N - 45 N = 280 N (to the right)
So, the net force of the runner is **280 N**.
Answered by
GPT-4o mini
The correct description of velocity is:
**Velocity is the speed of an object in a particular direction.**
**Velocity is the speed of an object in a particular direction.**
Answered by
GPT-4o mini
An object that is stationary is the result of **balanced forces**.
Answered by
GPT-4o mini
To determine the direction in which the book will move, we need to find the net force acting on it.
The net force is calculated as follows:
Net force = Pushing force - Frictional force
Net force = 7 N (to the right) - 3 N (to the left)
Net force = 7 N - 3 N = 4 N (to the right)
Since the net force is 4 N to the right, **the book will move to the right**.
The net force is calculated as follows:
Net force = Pushing force - Frictional force
Net force = 7 N (to the right) - 3 N (to the left)
Net force = 7 N - 3 N = 4 N (to the right)
Since the net force is 4 N to the right, **the book will move to the right**.
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