Force Quiz Gr 4

What happens when you push a door open?

• It pulls you inside

• It closes automatically

• It swings away from you

• It stays still

What effect does friction have on the movement of objects?

• It speeds them up

• It slows them down

• It makes them float

• It changes their color

What is Newton's first law of motion?

• An object in motion stays in motion unless acted upon by an unbalanced force.

• Force equals mass times acceleration.

• For every action, there is an equal and opposite reaction.

• None of the above.

What is force?

• Something that makes things move

• Something that makes things stop

• Something that makes things change direction

• All of the above

How does gravity affect objects on Earth?

• It pulls them toward the ground

• It pushes them away from the ground

• It makes them fly

• It changes their shape

Which of the following is a tool or machine that helps us use force more effectively?

• A pencil

• A ruler

• A lever

• A book

If you push a toy car with more force, what happens to its speed?

• It slows down

• It stops

• It speeds up

• It stays the same

How does force help us do work?

• By making things heavier

• By making things move

• By making things invisible

• By making things smaller

Which of the following is an example of a force?

• Walking

• Reading

• Breathing

• Pushing a chair

11. Which of the following best describes the force required to move a heavy box across the floor?

• The force needed increases as the weight of the box decreases

• The force needed remains constant regardless of the weight of the box

• The force needed decreases as the weight of the box increases

• The force needed is not affected by the weight of the box