Force

A force can____________.

• make an object move

• make a moving object stop moving

• slow an object down

• all of the above

True or false: An object resting on the ground can move without force.

• True

• False

When you push or pull something, you are creating_________________.

• weight

• a speed

• a force

• a surface

Which of the following would it take the most force to move?

• a 3-pound ball

• a 5 pound ball

• a 15 pund ball

• a 25 pound ball

Imagine you kick four balls with the same amount of force. Which one will go the farthest?

• a 3 pound ball

• a 5 pound ball

• a 15 pound ball

• a 25 pound ball

How does gravity on Earth compare to gravity on the moon?

• It is the same

• There is more gravity on Earth

• There is more gravity on the moon

What does the force of gravity do to objects?

• It makes them float

• it makes them jump

• it pulls them to the center of earth

• it pushes them apart

Objects that have more mass also have more gravity.

• True

• False

Henry rolled a car across the floor. He then applied a force to the car. The force was one of the four forces shown by the arrows. Which force will MOST likely increase the car's speed?

• Force A

• Force B

• Force C

• Force D

Why is it harder for the boy in Image B to get down the hill?

• Motion
• Friction
• Work
• Displacement