Speed in a particular direction is _____
momentum
speed
velocity
position
Velocity
An object’s place or location is called its _____.
momentum
speed
velocity
position
position
How far an object moves in a given amount of time is a measure of its ______.
momentum
speed
velocity
position
Speed
An object’s ____ is the product of its velocity and its mass.
momentum
speed
velocity
position
Momentum
Newton’s third law of motion can be stated this way: For every ______, there is an equal and opposite _____.
inertia
action force
acceleration
reaction force
action force
reaction force
A statement of the ______ might be this: Everything is attracted to everything else.
orbit
velocity
law of universal gravitation
law of universal gravitation
When an object undergoes _____, it speeds up, slows downs, stops, or changes direction.
acceleration
speed
velocity
acceleration
An ______ is the path a body in space takes as it revolves around another body.
action force
momentum
orbit
orbit
The property of matter that resists any change in an object’s motion is _____
inertia
speed
reaction force
inertia
The first law of motion says that an object at rest will remain at rest unless-
It continues in a straight line
A nearby star acts on it
An outside force acts on it
It is placed on a flat surface
An outside force acts on it
When you observe an object, how do you know if it is moving?
Its mass and velocity change
Its frame of reference changes
Its position changes
Its momentum changes
Its position changes
If an equal force acts on each of the following objects, which will have the greatest acceleration?
A golf ball
A soccer ball
A football
A baseball
A golf ball
If gravitation suddenly stopped, Earth would move-
In the same orbit
In the opposite direction
Nowhere
In a straight line
In a straight line
Unlike speed, velocity includes-
Direction
Acceleration
Mass
Time
Direction
When a baseball player strikes a ball with a bat, the ball exerts a force on the bat. What is this an example of?
Universal Law of Gravitation
Frame of reference
The second law of motion
The third law of motion
The third law of motion
According to the third law of motion, for every action there is
A force sending it backward
An equal and opposite reaction
A greater force pushing on it
A movement in all directions
An equal and opposite reaction
A train traveling on a curved track at a constant speed is accelerating because-
The train travels faster around a curved track
The direction of the train is constantly changing
The train’s size will eventually slow it down
The clockwise direction of the train is constant
The direction of the train is constantly changing
A person driving a car and a person walking have different views of motion of an object. Each person has a different-
Acceleration
Position
Frame of reference
Orbit
Frame of reference
A golf ball hits a tennis ball. The golf ball stops, but the tennis ball rolls away. This is an example of-
Gravitation
Conservation of momentum
Equal and opposite forces
velocity
Conservation of momentum
The brakes on an adult bicycle must be stronger than the brakes on a children’s bicycle because–
A child’s mass causes more momentum
An adult’s mass causes less momentum
An adult rider is farther from the ground
An adult rider will have more momentum
An adult rider will have more momentum