Show:
Multiple Choice
Multiple Choice #2
Multiple Choice #3
Multiple Choice & True/False
True/False & Fill in the Blank
100
The force of gravity on a person or object on the surface of a planet is called A. Mass B. Terminal Velocity C. Weight D. Free fall
C. Weight
100
The momentum of an object is in the same direction as its A. Force B. Acceleration C. Velocity D. Inertia
C. Velocity
100
The amount of matter in an object is called its A. Inertia B. Mass C. Force D. Balance
B. Mass
100
The total momentum of a group of objects is conserved unless A. Outside forces do not act on the objects B. Outside forces act on the objects C. The objects are moving D. There are more than 2 objects
B. Outside forces act on the objects
100
True or False Friction depends on the types of surfaces involved & how HARD the surfaces push together.
True
200
The force that one surface exerts on another when the 2 rub against each other is called A. Friction B. Acceleration C. Inertia D. Gravity
A. Friction
200
According to Newtons Third Law of Motion, when a hammer strikes & exerts force on a nail, the nail A. Creates a friction with the hammer B. Disappears into the wood C. Exerts an equal & opposite force on the hammer D. Moves at a constant speed
C. Exerts an equal & opposite force on the hammer
200
The force that pulls falling objects toward Earth is called A. Gravity B. Free fall C. Acceleration D. Air resistance
A. Gravity
200
An object that orbits another object in space is called a(n) A. Projectile B. Inertia C. Mass D. Satellite
D. Satellite
200
True or False Mass & AIR RESISTANCE affect the gravitational attraction between objects.
False, Distance
300
The Law of Universal gravitation states that any 2 objects in the universe that have mass, without exception, A. Attract each other B. Repel each other C. Combine to provide a balanced force D. Create friction
A. Attract each other
300
In physical science, a push or a pull is called a(n) A. Force B. Acceleration C. Inertia D. Motion
A. Force
300
The tendency of an object to resist change in its motion is known as A. Mass B. Inertia C. Force D. Balance
B. Inertia
300
True or False When the only force acting on an falling object is AIR RESISTANCE, the object is said to be in free fall.
False, gravity
300
The overall force on an object after all the forces are added together is called the ____________ force.
Net
400
According to the law of conservation of momentum, when 2 objects collide in the absence of outside forces, A. Velocity decreases B. Velocity increases C. The objects have the same momentum before & they collide D. The objects have more momentum after they collide than they did before
C. The objects have the same momentum before & they collide
400
Which of the following is an example of rolling friction? A. Between your shoes & the sidewalk as you walk B. Between your bike tires & the road as you ride C. Between a boat & the water as it sails D. Between 2 hands being rubbed together
B. Between your bike tires & the road as you ride
400
The product of an objects mass & velocity is called its A. Inertia B. Momentum C. Acceleration D. Force
B. Momentum
400
True or False The property of matter that resists a change in motion is called INERTIA.
TRUE
400
One ____________ is the force required to accelerate 1 kilogram of mass at 1 meter per second per second.
Newton
500
Any force that causes an object to move in a circle called a(n) A. Balanced force B. Unbalanced force C. Gravitational force D. Centripetal force
D. Centripetal force
500
Which of the following is an example of increasing friction intentionally? A. Waxing skis B. Adding grease to gears on a bike C. Throwing sand on an icy driveway D. Oiling a squeaky door
C. Throwing sand on an icy driveway
500
How can you increase the momentum of an object? A. By decreasing its velocity B. By increasing its mass C. By increasing its friction D. By decreasing its acceleration
B. By increasing its mass
500
True or False According to Newton's Second Law of motion, WEIGHT depends on an object's mass & the net force acting on the object.
False, Acceleration
500
According to Newton's 3rd Law of motion, the strength of a reaction forces is __________ the strength of the action force.
Equal to