Conversions
Velocity and Acceleration
Forces
Circular Motion
Energy
100
This is a number is preceded by three 0s (10^-3)
What is mili?
100
This is the formula for _____.
What is velocity?
100
A 5.5 kg bowling ball is traveling down the track at an acceleration of 8m/s2. The force of the bowling ball is _____.
What is 44 N?
100
This is the formula for the force that pulls you towards the direction of the rotation.
What is Centripetal force?
100
This is how a type of energy changes into another type of energy without ever creating or destroying more energy.
What is the conservation of energy?
200
This is how many meters are in a kilometer
What is 1000 meters?
200
This is the formula for _____.
What is acceleration?
200
A 11kg dog accelerates from rest to 15 m/s as he chases after a ball in 8 seconds. The net force of the dog as he runs is ____.
What is 20.6 N?
200
Commonly implied as an fictitious force, this force feels like it's pulling you away from the circle, but really the tangential velocity is what gives you this feeling.
What is centrifugal force?
200
This is a property of matter that determines how difficult it is to move or stop the object and usually is measured in mass.
What is inertia?
300
This is a value so small, it is 10^-9 value small.
What is nano?
300
One is a rate of distance over time. The other is also a rate of distance over time but with direction, making it a vector.
What is speed and velocity?
300
When punching on a wall, the wall does not break and even hurts the fist a bit. This is because of _________.
What is Newton's 3rd law of motion?
Every action has an equal and opposite reaction.
300
These laws describe the nature of the planets and their travel paths through space, which include:
1) Their orbit is elliptical
2) The orbital period is proportional to the size of the orbit
3) Planets cover the same space in the same about of time.
What is Kepler's Laws?
300
A ball traveling at 20 m/s has 1600 J of kinetic energy. What is the mass of the ball?
What is 8 kg?
400
This is a value so big, it is 10^9 value big.
What is Giga?
400
A car travels at uniform velocity a distance of 100 m in 4 seconds. The velocity of the car is ____.
What is 25 m/s?
400
A rightward force is applied to a 6-kg object to move it across a rough surface at constant velocity. The object encounters 15 N of frictional force. Use the diagram to determine the gravitational force, normal force, net force, and applied force. (Neglect air resistance.)
What is the state of equilibrium?
Fg= 58.8N
Fn= 58.8N
Fa= 15N (since the object is going at a constant velocity, it must cancel out the friction)
400
A 1000 kg car rounds a turn of 30 m radius at 9m/s. Find the centripetal acceleration and the centripetal force.
What is 2.7 m/s2 and 2700 N
400
A 75kg roller coaster cart is sitting at the top of a hill. It starts to accelerate down the hill with an average velocity of 33.5 m/s. Given this information, the height of the hill is ____.
What is 56.1m high?
500
There are this many meters in 60 km.
60,000
500
A deer is at rest until it hears a rustling in the bushes. It dashes away and covers a distance of 134 meters in 10 seconds. The acceleration of the deer is _____.
What is 2.68 m/s2?
500
A rightward force of 25 N is applied to a 4-kg object to move it across a rough surface with a rightward acceleration of 2.5 m/s/s. Use the diagram to determine the gravitational force, normal force, frictional force, and net force. (Neglect air resistance)
What is Fnet= 10N to the right?
Fg= 39.2 N
Fn= 39.2 N
Ff= 15N
500
A 4000 kg spaceship runs close to a 1800 kg asteroid, with about 500 m between them. The gravitational pull the spaceship exerts on the asteroid is ______.
What is the gravitational pull of 1.92*10-9N?
500
A ball with mass of 2kg is dropped from the top of a building this is 30m high. What is the approximate velocity of the ball when it is just about to hit the ground?
What is 24.2 m/s?