Equations
Mass x Acceleration
What is the formula for force?
"an object at rest will stay at rest and an object in motion will remain in motion"
What does Newton's 1st Law state?
If a 65 kilogram student exerts a force with a magnitude of 100 N on a 100 kilogram desk the magnitude of the force that the desk exerts on him is...
What is 100N?
calculate the average force that must be exerted on a 0.145 kg baseball in order to give it an acceleration of 130 m/s^2
What is 18.9N?
a type of force that opposes motion between surfaces that are touching
What is friction?
Force/Mass
What is the formula for acceleration?
" the acceleration of an object is directly proportional to the net force on the object and inversely proportional to the mass of the object "
What does Newton's 2nd Law state?
Jake and Al are both standing on identical skateboards. Jake is taller and more massive than Al. Jake pushes Al away from him with 10 N of force. If Jake had pushed with 20 N of force, what force would he feel backwards away from Al?
What is 20N?
The average force of a baseball is 18.9 N. Its mass is 0.145 kg.The acceleration is...
What is 130 m/s^2?
a push or pull on an object
What is force?
Force/Acceleration
What is the formula for mass?
"every action has an equal and opposite reaction"
What does Newton's 3rd law state?
If a 65-kilogram astronaut exerts a force with a magnitude of 50. N on a satellite that she is repairing, the magnitude of the force that the satellite exerts on her is
What is 50N?
A force of 10 N acts on a mass of 5 kg producing an acceleration of 1.5 m/s^2. The magnitude of the force of friction acting on the mass is...
What is 2.5N?
the roughness of the surfaces that are interacting
What is the coefficient of friction?
Mass on the moon/(9.8/6)
What is the formula for calculating mass?
equal in strength and in the opposite direction to the action
What is the reaction to an action?
In the diagram below, a 60 kg roller skater pushes a 30 kg roller skater with a force of 5 N. The force exerted by the 30 kg roller skater on the 60 kg roller skater is ___ N.
What is 5N?
Find the acceleration of a car with the mass of 1,200 kg and a force of 11×103 N
What is 9.2 m/s^2?
another term for "equal and opposite forces that act on the same object"
What is a balanced force?
9.8 x Mass
What is the formula for weight?
static, sliding, rolling,and fluid
What are the types of friction?
A car with a mass of 1,200 kg traveling westward at 30 m/s is slowed to a stop in a distance of 50 m by the car’s brakes. The braking force is...
What is 10800N?
The acceleration results from exerting a 125N force on a 0.65kg ball
What is 192.3 m/s^2?
the tendency of an object to resist change in its state of motion
What is inertia?