Newton's 1st Law
What is Newton's 1st Law?
Law of inertia
What is Newtons 2nd Law?
Law of Mass and Acceleration
What is Newton's 3rd Law?
Law of Motion
What stays the same no matter where you go in the universe?
the mass
What does cosine go with and what does sin go with?
cosine= x
sine= y
When an object is in dynamic equilibrium it has ____ acceleration. Fill int he blank
zero
What would Kyle's weight be if his mass was 27 kg?
264.6 N
A dresser is at rest in a room. A force of 44.5 Newtons is applied to the dresser. If the floor imparts a frictional force of 3.1 newtons, what is the net force acting on the dresser?
47.6 N
The weight of an object on earth is 357 newtons. On Mars, the same object would weigh 136 newtons. What is the acceleration due to gravity on the surface of Mars, given that it is 9.8 meters/second2 on Earth?
3.733 meters/second2
What does Sin/Cos equal?
Tan
An object is acted upon by a force of 25 newtons to the right and 13 newtons to the left. What is the magnitude and direction of the net force?
A car has a mass of 3.00x103 kg and an acceleration of 4.5 meters/second2. What is the net force on the car?
13.5x103 N
What are the two different types of friction?
Static and Kinetic
What is the weight of an object, mass 53 kg, on Mars, where the acceleration due to gravity 3.75 meters/second2?
198.75 N
How do you figure out the angle with sin/cos/tangent?
Take the inverse!
If a block is in static equilibrium on the ground, and has a force of friction of 23 N on the box, there is an applied force onto the box of 23 N, and the force due to gravity is 15 N. What is the value of the force exerted by the ground on the block?
15 N
If a sled is given an acceleration of 3.5 meters/second2 while being pushed with a force of .83 newtons, what is the mass of the sled?
.237 kg
Ainsleigh pushes a crate by applying a force of 16 newtons. She is unable to push it alone, so Taylor helps. Together they apply a force of 33 N and the crate just starts moving. If the coefficient of friction of static friction is .12, what is the value of the normal force?
275 newtons
Object A attracts Object B with a gravitational force of 5 N from a given distance. If the distance between the two objects is reduced in half, what will be the changed force of attraction between them?
20 N
A chandelier weighing 100 newtons is suspended by two wires that make an angle of 60 degrees with the ceiling. Find the tension in both wires.
58 N
A book is lying on a table in static equilibrium. If the book is 12.5 kg, what is the normal force exerted by the table on the book?
122.5 N
Sarah and Jackie want to find out which of the two is stronger. Sarah pushes a table with a force of 130 N while Jackie pushes the table from the opposite side with a force of 133 N. Ignoring the mass of the two, what is the resultant acceleration of the table if its mass is 10.0 kg?
.3 meters/second2
An object in static equilibrium has a coefficient of static friction as .22. If the normal force acting on the object is 78 newtons, what is the mass of the object?
7.96 kilograms
A 70 kg mountaineer mountaineer is standing on the summit of Mt.Everest. The distance between the mountaineer and the center of Earth is 6.39x106 meters. What is the magnitude of the force of gravity acting on the mountaineer? The value of G is 6.673x10-11 newton meter2/kilogram2. The mass of the Earth is 5.98x1024 kg
684 N
An object has a Normal force of 10 N and a Fg of 55 N. It has a frictional force of 50 N. There is a force(F1) on the object pulling at it from an angle. Determine the angle and the force of F1
42 degrees and 67 N