Match each description with its correct law.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
2nd Law | arrow_right_alt | Soccer ball will stay on the floor until someone kicks it. |
3rd Law | arrow_right_alt | If you use a greater force to kick a soccer ball it will move faster. |
1st Law | arrow_right_alt | You jump on a trampoline which will result in you being in the air for a few seconds. |
Match each description with its correct law.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
1st Law | arrow_right_alt | You fire a rifle and the rifle will push back on you as the bullet shoots out. |
3rd Law | arrow_right_alt | The force required to produce the acceleration of 10 m/s in a 5 kg object is 50N. |
2nd Law | arrow_right_alt | Also known as the Law of Inertia. |
Match each description with its correct law.
| Stavka koja se može prevući | arrow_right_alt | Odgovarajuća stavka |
|---|---|---|
1st Law | arrow_right_alt | Force = Mass x Acceleration |
3rd Law | arrow_right_alt | An object at rest will at rest and an object in motion will stay in motion, unless acted upon by an outside force. |
2nd Law | arrow_right_alt | For every action there is an equal and opposite action. |
A _______________________ is a push or a pull on an object.
A force that causes an object to slow down when it touches another object is__________________.
If an object stays still or continues moving at the same speed and in the same direction, it is because of __________________________.
What will be the effect of a child in a car seat if the driver stops quickly?
Earthquakes, faults, and rift valleys are the result of movement in the crust. What type of movement causes these movements in the earth's plates?
Which of Newton's Laws of Motion explains what happenes when a rocket is launched?
Sitting at the top of a steep hill on a roller coaster (not moving) is an example of:
If the mass of an object is 200 kg and the applied force is 2600 N, calculate the acceleration of the object. (all units in m/s/s)
Calculate the force needed to accelerate a 300 kg object 600 m/s/s.
What is the mass of an object that is accelerating at 500 m/s/s after an applied force of 2500 N?
If a soccoer ball is kicked first by a 2nd grader and then again by an 8th grader, what will be the difference in the ball's accelaration? WHY?
The conductor of a train moving at a constant speed sees a cow on the tracks. Why is is likely that the train will not be able to stop quickly enough to save the cow?