FORCE and Motion Trashketball + = FORCE and Motion Trashketball

Which Law is It? A fireman turns on his hose and is knocked backwards. A B C 1st Law: Inertia 2nd Law: F=MA 3rd Law: Action/Reaction

Which Law is It? It takes less force to push a bike than a motorcycle. A B C 1st Law: Inertia 2nd Law: F=MA 3rd Law: Action/Reaction

Friction causes a moving object to __________. A B C Keep moving Speed up Slow down

Which type of forces cause a change in motion? A B C Unbalanced Balanced Inertia

A graph is set up to record the distance a raft travels as it floats down a stream. If the raft increases speed as it goes, then what should the graph look like? A B C

A graph is set up to record the distance a runner travels on the track during 5 minutes. If the runner travels at a constant speed for the whole 5 minutes, then what should the graph look like? A B C

Which Law is It? Pushing an adult on a swing requires more force than pushing a child on a swing. A B C 1st Law: Inertia 2nd Law: F=MA 3rd Law: Action/Reaction

Which Law is It? Your picture frame stays sitting on a shelf until you pull it off the shelf to show your friend. A B C 1st Law: Inertia 2nd Law: F=MA 3rd Law: Action/Reaction

The greater the mass of an object, the greater its _________ The greater the mass of an object, the greater its _________. *Remember: F=MA A B C Acceleration Velocity Inertia

The force that slows down a sky diver is __________. A B C Gravity Inertia Air resistance

What is the average speed of the bicyclist during 4 seconds What is the average speed of the bicyclist during 4 seconds? *Remember: S=D/T A B C 80 m/s 20 m/s 5 m/s

The graph below shows a train’s movement over time The graph below shows a train’s movement over time. During which time period was the train at a stop and picking up passengers? A B C 0 min to 1 min 1 min to 2 mins 2 mins to 3 mins

Which Law is It? You kick a soccer ball with as much force as you can, and then you feel your toes stinging afterwards. A B C 1st Law: Inertia 2nd Law: F=MA 3rd Law: Action/Reaction

Which Law is It. You are riding in the car on your way home Which Law is It? You are riding in the car on your way home. Your brother slams on the brakes to avoid hitting a dog in the street. You continue to move forward until your seatbelt stops you. A B C 1st Law: Inertia 2nd Law: F=MA 3rd Law: Action/Reaction

Which of the following statements is true? A B C The forces are balanced; the box will not move The forces are unbalanced; the box will move 10N to the right The forces are unbalanced; the box will move 10N to the left

Gravity holds us on earth and keeps the planets in orbit Gravity holds us on earth and keeps the planets in orbit. What kind of force is gravity? A B C Push Pull Gravity is not a force

If a bowling ball and tennis ball are both dropped out of a 3rd story window, _________. A B C The bowling ball will hit the ground first The tennis ball will hit the ground first The tennis ball and bowling ball will hit the ground at the same time

According to the graph, who is travelling at the slowest speed? A B C Finn Marceline Jake

Which inclined plane would require the least amount of force to move the book to the top? A B C

Which pulley system would require the least amount of force to lift the brass weight? A B C The amount of pulleys or length of string does not change the amount of force needed

TIE BREAKER (if needed) Houston is 240 miles away from Dallas TIE BREAKER (if needed) Houston is 240 miles away from Dallas. If it takes you exactly 6 hours to get there, what was your average speed? *Remember: S=D/T A B C 40 mph 25 mph 60 mph