Guess That Term!
This term means a measure of the rotational force applied to an object
Torque
This is the change in position of an object
Displacement
A 2.0 kg object is lifted vertically 3.0 meters. How much work is done?
58.8 J
If you push a book on a table and it stops, what force caused it to stop?
Friction
Created the Three Laws of Motion and the Universal Law of Gravitation
Isaac Newton
This terms means the force that keeps an object moving in a circular path, directed toward the center of the circle
Centripetal Force
This is the rate at which an object's velocity changes over time
Acceleration
A 2.0 kg cart moving at 3.0 m/s collides inelastically with a 1.0 kg stationary cart. What is the final velocity?
2.0 m/s
An object at rest stays at rest, and an object in motion stays in motion with the same speed and in the same direction unless acted upon by a net external force.
Newton's first law
Galileo Galilei introduced what ideas?
The concept of inertia
This is the number of Oscillations per second. The unit of measure is Hertz (Hz).
Frequency
If an object’s velocity increases from 10 m/s to 20 m/s in 5 seconds, its acceleration is this.
2 m/s2
A 2.0 kg cart moving at 4.0 m/s collides elastically with a 1.0 kg cart at rest. What is the final velocity of both carts?
1.33 m/s and 5.33 m/s
For every force (action) exerted by one object on another, there is an equal and opposite force (reaction) exerted by the second object back on the first. This means forces always come in pairs, and they act on different objects, not on the same object.
Newton's third law
This is Einstein's theory that deals with how space and time are linked
Theory of Relativity
This principle states that energy cannot be created or destroyed, only transformed from one form to another
The Conservation of Energy
A hiker walks 4 km north, 3 km west, 2 km south. What is net displacement?
3.6 kilometers northeast
A 1.0 m uniform beam (mass 10 kg) is pivoted at one end and held horizontal by a rope attached to the other end at a 45° angle above horizontal. What is the tension in the rope?
69.3 N
If you jump inside a moving bus, where do you land?
In the same spot (straight down), because you move with the bus
This scientist developed a model of the atom
Niels Bohr
The force of attraction between two masses, given by the equation F=G(m1*m2)/r
Newton's Law Of Universal Gravitation
A car decelerates from 40 m/s to 0 over 100 m. Find acceleration
a=−8 m/s²
A 5.0 kg block slides down a 30° incline with a coefficient of kinetic friction μ = 0.2. What is acceleration?
2.3 m/s2
The net force acting on an object is equal to its mass times its acceleration, expressed as F = ma.
Newton's second law
This scientist formulated a law describing elastic springs
Hooke