Test por Selam H, creado hace más de 1 año

Biology (HS Physical Science) Science Test sobre Newton's Laws of Motion, creado por Selam H el 02/03/2014.

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Newton's Laws of Motion

Newton's Laws of Motion

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Pregunta 1 de 23

1

In which situation(s) is unbalanced forces being applied?

Selecciona una o más de las siguientes respuestas posibles:

Situation A
Situation B
Situation C
Situation D

Explicación

Pregunta 2 de 23

1

Friction moves in _______________.

Selecciona una o más de las siguientes respuestas posibles:

the opposite direction of motion.
the same direction as motion.
a direction toward an object.
a downward direction.

Explicación

Pregunta 3 de 23

1

Gravity moves in _____________.

Selecciona una o más de las siguientes respuestas posibles:

the opposite direction of motion.
a direction toward an object.
a downward direction.
the same direction as motion.

Explicación

Pregunta 4 de 23

1

In which situation(s) is balanced forces being applied?

Selecciona una o más de las siguientes respuestas posibles:

Situation A
Situation B
Situation C
Situation D

Explicación

Pregunta 5 de 23

1

What is rolling friction?

Selecciona una o más de las siguientes respuestas posibles:

When round objects roll across a flat floor and both the object and floor are bent slightly out of shape.
Air resistance acted on in both gases and liquids.
A force that acts on objects that are NOT MOVING and is ALWAYS OPPOSING movement
It is harder to start something moving, then to keep something moving that is already in motion (sliding friction).

Explicación

Pregunta 6 de 23

1

What is static friction?

Selecciona una de las siguientes respuestas posibles:

Air resistance acted on in both gases and liquids.
A force that acts on objects that are not moving and is always opposing movement.
It is harder to start something moving, then to keep something moving that is already in motion (sliding friction).
When round objects roll across a flat floor and both the object and floor are bent slightly out of shape.

Explicación

Pregunta 7 de 23

1

What is fluid friction?

Selecciona una de las siguientes respuestas posibles:

When round objects roll across a flat floor and both the object and floor are bent slightly out of shape.
It is harder to start something moving, then to keep something moving that is already in motion (sliding friction).
A force that acts on objects that are not moving and is always opposing movement.
Air resistance acted on in both gases and liquids.

Explicación

Pregunta 8 de 23

1

What is sliding friction?

Selecciona una de las siguientes respuestas posibles:

When round objects roll across a flat floor and both the object and floor are bent slightly out of shape.
It is harder to start something moving, then to keep something moving that is already in motion (sliding friction).
A force that acts on objects that are not moving and is always opposing movement.
Air resistance acted on in both gases and liquids.

Explicación

Pregunta 9 de 23

1

Order of resistance of motion (most to least): ____________________________________.

Selecciona una de las siguientes respuestas posibles:

Rolling, Fluid, Sliding, Static
Fluid, Rolling, Static, Sliding
Static, Rolling, Sliding, Fluid
Static, Sliding, Rolling, Fluid

Explicación

Pregunta 10 de 23

1

Force is a scaler quantity only measuring magnitude and not direction.

Selecciona uno de los siguientes:

VERDADERO
FALSO

Explicación

Pregunta 11 de 23

1

What does Newton's 1st Law state?

Selecciona una de las siguientes respuestas posibles:

An object in motion tends to stay in motion but an object at rest tends to stay at rest.
Force = mass · acceleration
For every action, there is an equal but opposite reaction.

Explicación

Pregunta 12 de 23

1

What does Newton's 3rd Law state?

Selecciona una de las siguientes respuestas posibles:

For every action, there is an equal but opposite reaction.
Force = mass · acceleration
An object in motion tends to stay in motion but an object at rest tends to stay at rest.

Explicación

Pregunta 13 de 23

1

What does Newton's 2nd Law state?

Selecciona una de las siguientes respuestas posibles:

An object in motion tends to stay in motion but an object at rest tends to stay at rest.
Force = mass · acceleration
For every action, there is an equal but opposite reaction.

Explicación

Pregunta 14 de 23

1

Which of Newton's three laws apply? When you put a book on a table and the table pushes on the book.

Selecciona una de las siguientes respuestas posibles:

Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law

Explicación

Pregunta 15 de 23

1

Which of Newton's three laws apply? A person is pushed forward into their seat belt when a car stops.

Selecciona una o más de las siguientes respuestas posibles:

Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law

Explicación

Pregunta 16 de 23

1

Which of Newton's three laws apply? A larger car takes more force to move than a smaller one.

Selecciona una o más de las siguientes respuestas posibles:

Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law

Explicación

Pregunta 17 de 23

1

Which of Newton's three laws apply? A person leans on a wall and the wall pushes back.

Selecciona una o más de las siguientes respuestas posibles:

Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law

Explicación

Pregunta 18 de 23

1

Which of Newton's three laws apply? A brick sits on a table until you push on it

Selecciona una o más de las siguientes respuestas posibles:

Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law

Explicación

Pregunta 19 de 23

1

What is the difference between mass and weight?

Selecciona una o más de las siguientes respuestas posibles:

Mass is heavier than weight.
Weight is mass but still including gravity.
Mass is weight and scaler is a vector.
No difference

Explicación

Pregunta 20 de 23

1

Assume that a catcher in a professional baseball game exerts a force of -65 newtons. If the baseball has a mass of 0.145, what is the baseball's acceleration as it is being caught?

Selecciona una o más de las siguientes respuestas posibles:

-9.43
-64.86
-448.28
-9.42

Explicación

Pregunta 21 de 23

1

According to Newton's 2nd Law, objects that have _______ are to push than _ objects. The force, the __ acceleration.

Selecciona una o más de las siguientes respuestas posibles:

... a greater mass ... harder ... lighter ... more ... more ...
... a greater mass ... easier ... lighter ... less ... less ...
... a lighter mass ... easier... heavier ... more ... more ...
... a lighter mass ... harder... heavier ... more ... more ...
... a lighter mass ... harder... heavier ... less ... more ...
... a greater mass ... easier ... lighter ... less ... more ...

Explicación

Pregunta 22 de 23

1

How do sprinklers apply Newton's 3rd law of Motion? Choose the BEST answer.

Selecciona una de las siguientes respuestas posibles:

The greater the mass of the sprinkler, the harder it is for the sprinkler to turn.
The sprinkler stays in motion unless you turn it off to make it at rest.
Sprinklers spray out water, causing the sprinkler to move in the opposite direction in the shape of a circle.
The lesser the mass of the sprinkler, the harder it is for the sprinkler to turn.

Explicación

Pregunta 23 de 23

1

A force pulls an object up 3 N, but gravity pulls the object 3 N as well. Applied force pulls the same object to the left 20 N, but friction pulls the object 19 N. What is the Net Force of the object?

Selecciona una de las siguientes respuestas posibles:

23 Newtons
39 Newtons
0 Newtons
1 Newton

Explicación