Show:
Displacement
Velocity
Acceleration
Forces
Newton Laws
100
Displacement is a _____quantity.
What is vector?
100
Velocity is a _______ quantity meaning it has magnitude and direction.
What is vector?
100
Acceleration is the change of ________ over time.
What is velocity (speed)?
100
Approximate weight of a 10 kg object is .. (W= m. g)
What is 98 N?
100
When you punch a wall your fist hurts..this is an example of ________.
What is Newton's 3rd law?
200
For calculating displacement we use the ______ rule. (think of vector drawing)
What is "head to tail"?
200
Speed is calculated by ________ divided by time.
What is distance?
200
Acceleration is a vector quantity meaning it has magnitude and __________.
What is direction?
200
The force that needs to be overcome for an object to start moving is called _____.
What is static friction?
200
An object is suspended by a rope. The force the rope exerts to keep the object suspended is called _______.
What is force of tension?
300
Displacement of an object that travels 20 m N and then 20 m S is
What is 0 m?
300
Velocity is calculated by _________ divided by time.
What is displacement?
300
A(n) ________ force causes acceleration.
What is unbalanced?
300
An object is sitting on a desk and weights 10 N. The normal force is equal to?
What is 10 N?
300
An object accelerates at 2 m/s/s given a push force of 2 N. The object's weight is ________.
What is 9.8 N
400
You travel 20 m N ,10 m W , 20 m S. What is your displacement? (Use the head to tail rule)
What is 10 m W
400
What is the average velocity of a moving truck that moved 1000 m in a straight line over 5 min? (Answer in m/s)
What is 3.33 m/s?
400
What is the acceleration of a 10 kg book that decreases its velocity by 1 km/min over 8 seconds? (answer in m/s/s)
What is 2.08 m/s/s?
400
The upward force a free falling object dropped from a roof top of a 12 story building is called ______.
What is air resistance?
400
A satellite will stay in its orbit until stopped. This is an example of _________.
What is the law of inertia or Newton's 1st law?
500
You travel 10 m S, 30 m E, 20 m N. Your displacement is ________
What is 31.62 m NE
500
What is the displacement of a Mars rover within 10 minutes that travels at a velocity of 3 m/s?
What is 1800 m?
500
A bike rider accelerates at a rate of 3 m/s/s. How long it takes for it to reach a velocity of 9 m/s starting from rest?
What is 3 seconds?
500
When the force of air resistance for a free falling object becomes equal to the force of gravity the object is said to have reach __________.
What is terminal velocity?
500
An object at rest on a surface has a weight (force of gravity) that is paired with the _____ force (Newton's 3rd law)
What is Normal?