Science quiz

-------- is the force which attracts or pulls all objects toward the Earth.

• normal force

• applied force

• gravity

• friction

-------- is a support force which is made on an object that is in contact with another object.

• gravity

• normal force

• applied force

• friction

--------is any force that is applied to another object or person.

• normal force

• applied force

• gravity

• friction

The amount of gravity depend on :

• size

• distance

• shape

• A+B

------- is a body which orbits a larger body.

• gravity

• satellite

• mass

• Earth

The Earth exerts a -------- force of gravity on the moon than the moon exerts on the Earth.

• smaller

• greater

• equal

• B + C

-------- is the force between two surfaces that are trying to slide past.

• normal force

• applied force

• gravity

• friction

which sentences are true about friction:

• acts on moving objects

• works in the opposite direction to the direction the object is moving

• slows down the moving object.

• All of them

Types of friction are:

• water

  resistance

• air

  resistance

• gravity

• A +B

The larger the surface area of the moving object, the ------ air resistance there is.

• more

• less

• equal

• All are fauls