How are mass and weight different?

Mass is the amount of matter in an object;Weight is the amount of gravitational force acting on the object

Mass is the amount of gravitational force acting on an object;Weight is the amount of matter in an object

Mass is a thing;Weight is a place

Mass is an animal;weight is a human

what happens to gravity as distance increases?

there was never any gravity in space

Double the distance between two objects

4 times weaker gravity attraction

4 times greater gravity attraction

If Earth's mass was cut in half, what would happen to your mass?

nothing, mass is not affected by gravitational force

increase because gravitational force increases

decrease because gravitational force decreases

decrease because gravitational force increases

What would happen to your weight if Earth's mass was cut in half?

decrease because gravitational force decreases

increase because gravitational force increases

decrease because gravitational force increases

increase because gravitational force decreases

A planet moves fastest during its orbit around the Sun at the when

it is closest to the sun and gravity has a stronger pull

it is farthest from the sun and gravity has a stronger pull

it is closest to the sun and gravity has a weak pull

it is farthest from the sun and gravity has a weak pull

What is true about the area between points A, B and the Sun, and the area between points H, I and the Sun?

The area between A, B and the Sun is the largest.

The area between H, I and the Sun is the largest

There is not enough information to determine the areas

The ratio of a planets average distance from the sun and its orbital period is

very different for every planet

large when the planet is farther away

Kepler's 2nd Law deals with

the speed/area the planet travels

the shape of the planets' orbits

the length of time it takes the planet to orbit the sun

On a merry-go-round a person standing further from the center will experience _______ .

A greater centripetal acceleration and a greater tangential velocity

a greater centripetal acceleration

tangential velocity and centripetal acceleration stay the same

Centrifugal force is a ______

fictitious force that is really just the linear momentum of an object in uniform circular motion.

force that pushes you to the outside of a circle during uniform circular motion.

The force that keeps the planets in orbit

Why do banked curves allow cars to make turns more easily?

The normal force reduces the amount of friction needed to match the required centripetal force.

The normal force reduces the centripetal force needed to turn at that particular speed.

they provide a centrifugal force to balance the centripetal force

they reduce the force of gravity which also decreases the required centripetal force

Why do astronauts float in their space shuttles?

They are in a gravity-free environment.

The gravity from the sun cancels the gravity from the Earth

The gravity from the moon cancels the gravity from the Earth

Why don't satellites get closer to the Earth even though the Earth pulls on them?

They fall at the same rate that the Earth curves away from them

The pull from the sun cancels their movement

The pull from the moon cancels their movement

They are out of Earth's gravitational field

Physics - Circular Motion and Gravitation

Authored by Alicia Sampedro

Physics

10th - 12th Grade

NGSS covered

Used 167+ times

Physics - Circular Motion and Gravitation

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49 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Centripetal acceleration always points

in the direction of the object's motion

in the opposite direction of the object's motion

towards the center of the circle

towards the outside of the circle

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Bruno the bat flies at a speed of 0.5 m/s in circle of radius 1 m. What is his acceleration?

0.25 ms^-2

0.5 ms^-2

1 ms^-2

2 ms^-2

Tags

NGSS.HS-PS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Period (T) is measured in cycles per second

True

False

Tags

NGSS.HS-PS4-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the force that causes centripetal acceleration when a car goes around a curve?

Friction

Gravity

Normal

Tension

Tags

NGSS.HS-PS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At the top of a roller-coaster loop, gravity and the normal force point in opposite directions.

True

False

Tags

NGSS.HS-PS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who created the Universal Law of Gravitation?

Copernicus

Newton

Kepler

Galileo

Tags

NGSS.HS-PS2-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Any object with mass is surrounded by a gravitational field.

True

False

Inconceivable

Star Wars!

Tags

NGSS.HS-PS2-4

NGSS.HS-ESS1-4

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Physics - Circular Motion and Gravitation

Centripetal acceleration always points

Bruno the bat flies at a speed of 0.5 m/s in circle of radius 1 m. What is his acceleration?

Period (T) is measured in cycles per second

What is the force that causes centripetal acceleration when a car goes around a curve?

At the top of a roller-coaster loop, gravity and the normal force point in opposite directions.

Who created the Universal Law of Gravitation?

Any object with mass is surrounded by a gravitational field.

The gravitational force between two bodies is proportional to the product of their masses, and inversely proportional to the cube of the distance between them

Friction acts in a direction_______ to the direction of an object's motion.

If you went to the moon, would your weight change?

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