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20 questions
30 mph west is an example of ________________
A lamp sitting on a table is demonstrating Newton's ______ Law?
A rollercoaster heading down a hill is __________________.
Newton's 3rd Law states that for every action there is an equal and opposite _____________.
A ___________________ is a push or a pull on an object.
A car traveling at 65 mph is an example of its _______________.
A force that causes an object to slow down when it touches another object is ______________.
Newton's 2nd Law says the acceleration of an object depends on its ________________ and _______________ .
If an object stays still or continues moving at the same speed and in the same direction, it is a ______________ force.
Net force is a combination of all ______________ acting on an object.
What will be the effect on the boy in the picture if the driver stops quickly?
Because of inertia he will remain in the same position.
He will be pushed back into the car seat.
He will move from one side of the car seat to the other.
He will move forward pressing against the seatbelt.
The picture represents the effect of tension on the Earth's crust. Faults and rift valleys are the result of movement in the crust. What type of force causes these movements in the plates?
Balanced forces
Unbalanced forces
Inertia
Friction
Which of Newton's Laws explains a rocket's movement during launch?
Newton's 1st Law of Motion
Newton's 2nd Law of Motion
Newton's 3rd Law of Motion
Newton's 4th Law of Motion
Sitting at the top of a steep hill on a roller coaster (not moving), is an example of:
Acceleration
Inertia
Speed
Velocity
If the mass of an object is 200kg and the applied force 2600N, calculate the acceleration.
13 m
13 m/s
13 m/s/s
If the acceleration is 600m/s/s and the mass is 300kg, calculate the force. _____________ Newtons
If the force is 2,500N and the acceleration is 500m/s/s, calculate the mass. ______________ kg
If a soccer ball is kicked first by a second grader and then again by an eighth grader, what will be the difference in the ball's acceleration?
The conductor of a train moving at a constant speed sees a cow on the tracks. Why is it likely that the train will not be able to stop quickly enough to save the cow?
What is a car doing as it rounds a curve?
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