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Motion
Force
Properties of Motion
Misc.
Math
100
What is the change in position of an object.
What is displacement.
100
What type of force occurs when two objects make physical contact...like kicking a ball?
What is contact force.
100
What is the distance traveled divided by the time interval during which the motion occurred?
What is speed.
100
What is a force that opposes motion between two surfaces that are in contact.
What is friction.
100
Find the velocity in meters per second of a swimmer who swims 118 m toward the shore in 95 s.
What is 1.2 m/s towards the shore.
200
What is a system for specifying the precise location of objects in space and time.
What is frame of reference.
200
What type of force occurs with no physical contact...such as the repulsion of magnets?
What is field force.
200
When an object undergoes acceleration, its ______ changes.
What is velocity.
200
What is the force that opposes the movement of two surfaces that are in contact and are moving over each other.
What is kinetic friction.
200
A cyclist accelerates from 0 m/s to 8 m/s in 3 seconds. What is his acceleration?
What is 2.8 m/s squared.
300
What is the speed of an object in a particular direction.
What is velocity.
300
What is an action exerted on a body in order to change the body's state of rest or motion.
What is force.
300
Acceleration can be a change in _______, direction, or both.
What is speed.
300
What is the SI unit for speed or velocity?
What is m/s.
300
How long would it take you to swim across a lake that is 900 meters across if you swim at 1.5 m/s?
What is 600 seconds.
400
What is an object's change in position relative to a reference point.
What is motion.
400
What is the combination of all the forces acting on an object?
What is net force.
400
What is the acceleration that occurs in circular motion.
What is centripetal acceleration.
400
What is the equation for speed or velocity?
What is V = d/t
400
A car advertisement states that a certain car can accelerate from rest to 50 m/s in 7 seconds. Find the car's average acceleration.
What is 7.1 m/s squared.
500
What is the rate at which velocity changes over time?
What is acceleration.
500
List the four fundamental forces in nature.
What is gravity, electromagnetic, strong nuclear, weak nuclear.
500
What is the force that resists the initiation of sliding motion between two surfaces that are in contact and at rest.
What is static friction.
500
What is the SI unit for acceleration?
What is m/s squared.
500
A person in a kayak paddles down river at an average speed of 6.1 m/s. After 1647 seconds, how far has she traveled?
What is 10046.7 meters.