Define: Maximum resultant?
Follow up: When adding 4N force to a 26 N force, what is the maximum resultant?
What is Maximum resultant is a net force created by adding the forces together.
30 N
100
Define minimum resultant force?
Follow up: What is the minimum resultant force when adding 16N to 20 N?
What is Minimum resultant force is the least amount of force in the equation.
4N
100
T/F: Equilibrium occurs when the sum of upward forces is greater than the sum of downward forces.
What is False-the forces should be equal.
100
If a boy who weights 600 N hangs in the middle of a bar that has two strands of vertical ropes, what will the tension be in each strand?
What is it will be balances, at 300 N each.
100
T/f: Mass is vector quantity.
What is False-it is scalar
200
T/F: When two forces act in the same direction on an object, you add the forces together to get the net force?
What is True
200
Define equilibrium:
What is when all forces are balanced.
200
T/F: Equilibrium occurs when the net force on an object is zero.
What is true
200
Fill-in-the-blank: The weight of a person can be represented by a vector __________ down.
What is straight
200
Define static equilibrium:
What is when objects are at rest.
300
When a 3N force acts in the same direction of a 5N force, what is the net force?
What is 8N
300
Define vector:
What is a quantity that has direction and magnitude
300
A 300 N lantern is hanging by a pair of ropes with 120 degrees between them (each 60 degrees from the vertical). What is the tension of the rope?
What is 300N
300
When putting up a clothesline to dry your laundry, why would you hang it with some slack?
What is to reduce tension and make it safe
300
T/F: Force, velocity, acceleration, and weight are all vectors.
What is True-mass, time, temperature and speed are scalars.
400
T/F: When two forces act in opposite directions on an object, you add the forces together to get the net force?
What is False-you find the difference
400
Define scalar:
What is scalar has ONLY magnitude
400
What is the magnitude resultant of a 3N force acting vertically upward and a 4 N force acting horizontally?
What is (3 squared plus 4 squared)=25 square root=5N
400
A ship is being pulled by two chains equally and at equal angles with the direction the ship is pointing. In which direction does the ship move?
What is it moves straight ahead in the resultant force direction.
400
Describe the difference between vectors and scalars.
What is vector is a quantity that has direction and magnitude, whereas scalar has only magnitude.
500
If a 20 N force and a 35 N force act in opposite directions, what is the net force?
What is 15 N
500
Define: dynamic equilibrium
What is a state of balance when an object moves at a constant speed.
500
A 380 kg sloth on a vertical tree slides down at a constant velocity. What is the friction force between the tree and sloth?
What is 3724 N (you need to multiply the kilograms by 9.8 to convert it to Newtons)
500
A clothesline is stretched between two tress and a tire hangs in the middle of the line. The two halves make equal angles with the horizontal. What is the tension of the line?
What is more than half the tire's weight.
500
What are the three steps to find a vector?
What is 1. draw the vector with correct magnitude and orientation. 2. measure the sides of rectangle. 3. draw a rectangle so the vector is the diagonal.