Examples
Cards (20)
- A fireman turns on his hose & is knocked backwards
- It takes less force to move a DVD than a DVD player
- You have to push a heavy ball harder to get it to move as fast as a small one
- A soccer ball will not move until a player kicks it
- more force = more acceleration
- If air is let out of a balloon quickly, air pushes down & balloon goes up
- It takes less force to push a bike than a motorcycle
- force = mass times acceleration
- an object in motion stays in motion unless acted on by an outside force
- for every action there is an = and opposite reaction
- A bowling ball hits the pins sending the pins flying for a STRIKE!
- an object at rest stays at rest unless acted on by an outside force
- Feet push down on the floor & the floor pushes up at feet as you walk
- 12 lb bowling ball goes faster down the lane than a 15 lb bowling ball
- In a plane taking off you feel pushed back into your seat
- Push a large box & a small box with the same force, the small box will go faster
- seatbelt stops you from hitting the windshield if you hit the brakes quickly
- A boy can throw a football farther than his friend because he uses more force
- When you push on a door it pushes back with = and opposite force
- Someone crashes their bike into a rock & is thrown over it to the ground