3.3 Movement in space [Must do]

the largest mass in the Solar System...............................

• Jupiter

• earth

• moon

• sun

The Sun’s gravity gets weaker as the distance from the Sun increases

• True

• False

the direction in which the force of gravity from the Sun pulls on a planet is.......................

• towards the center of the earth

• towards the center of the sun

• towards the center of the planet

The word used to describe a space that has no particles in it is.....................

• air

• vacuum

• universe

A force caused by a moving object having to push against the particles in the air.

• water resistance

• air resistance

• gravity

• contact force

Air resistance acts in the..................direction to movement.

• same

• opposite

• parallel

The faster an object moves, the ....................... the air resistance on the object.

• equal

• smaller

• greater

In space, there is a vacuum and no air resistance

• True

• False

Which of these forces acts on the Earth as it orbits the Sun?

• gravity only

• air resistance only

• gravity and air resistance

• gravity, air resistance and friction

Air resistance pushes against falling

objects and __________________.

• Speeds them up

• Keeps them afloat

• Slows them down

• Spins them