Force and Motion

Front

While on a camping trip, Shane and Katie are traveling in a boat on a river. On their trip, the river's current carries them down the river at a speed of 5 meters per second (m/s). They don't need to row because the current is carrying them in the direction they need to go. If no other forces are acting on the boat, which of these statements describes the motion of the boat as it travels downstream? Options: It speeds up., It slows down., It stays the same., It changes direction.

Back

It stays the same.

Front

Will and Tammy are moving a dresser. Will is pushing the dresser with a force of 5 newtons towards Tammy. Tammy is pushing the dresser towards Will with a force of 10 newtons. What happens to the dresser?

Back

The dresser moves towards Will.

Front

______________________ is any push or pull on an object.

Back

Force

Front

Acceleration

Back

any change in the speed or direction of an object

Front

Which scientist gave us the laws of motion?

Back

Sir Isaac Newton

Front

Which is harder to stop - an 18 wheeler or a motorcycle?

Back

18 wheeler

Front

What describes how fast an object is moving?

Back

speed

Front

The force that pulls all objects toward Earth is called_____?

Back

gravity

Front

Which of the following is NOT an example of Friction?

• Hand rubbing together
• Pulling back a rubber band
• Using sandpaper to smooth a table
• Brakes on a car

Back

Pulling back a rubber band

Front

What happens when two unequal forces push an object in the same direction?

Back

The forces add together. The causes the object to move in the direction of the force.