Science - Forces Flashcards

1
Q

What is motion?

A

Motion is a change in the position of an object.

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2
Q

Give me 3 examples of forces

A

1 - hitting a baseball with a bat
2 - typing on a keyboard
3 - pushing dirt with a bulldozer

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3
Q

Two volleyball players hit a ball back and forth. If they use the same amount of strength, how are the forces different?

A

They are in different directions.

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4
Q

When force is a put on an object, what can happen?

A

The object can turn.

The object can speed up or slow down.

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5
Q

During a soccer game, a ball is kicked toward the goal. How does the goalie stop the ball?

A

The goalie stops the ball by pushing it in the opposite direction it was moving.

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6
Q

When you go bowling, two objects are putting force on each other. Which ones are the objects?

A

Bowling ball and floor.

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7
Q

Bob and Joe investigated how a push can affect the motion of a still book. How does it affect it?

A

When the force is stronger, the book moves farther.

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8
Q

Malik wants to get a home run in baseball. He wants to make it go far and high in the opposite direction. What does he need?

A

He needs a strong force forward to do this.

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9
Q

How would the length of the arm affect the ball?

A

Longer arms put a stronger force on the ball. This causes the ball to go further.

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10
Q

What happens when you bounce a ball?

A

Force causes a ball to bounce down. The ground puts the force on the ball to cause the motion to change directions. We can push the ball back down. We notice a pattern.

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