Different Forces
An astronaut pushes a 50 kg supply crate, and it accelerates at 2 m/s².This is the net force applied to the crate.
What is 100N?
Changing this term leads to the biggest change in air resistance.
What is velocity?
This quantity is measured in kilograms and stays the same anywhere in the universe.
What is mass?
This type of friction acts between two surfaces that are sliding past each other.
What is kinetic friction?
This SI unit of mass is abbreviated kg.
What is the kilogram?
This force always pushes at 90° (perpendicular) to the surface an object rests on.
What is the normal force
This is the net force after two astronauts push on opposite sides of a satellite. One pushes 300 N to the right and the other pushes 120 N to the left.
What is 180N right?
This sad shape is the one that is typically cited as having the lowest coefficient of drag.
What is a teardrop?
This is the weight of a 10kg backpack on Earth.
What is 98N?
This is the larger of two coefficients of friction for a single pair of surfaces.
What is the static coefficient?
This is the SI unit of force, named after the scientist who came up with the three laws of motion.
What is the Newton?
This is the is the law that governs the force involved in stretching a rubber band.
What is Hooke's Law?
This is the mass of a lunar rover if a 600 N net force accelerates it at 3 m/s².
What is 200kg?
This is by how many times the drag force would increase if a cyclist doubled her speed.
What is four times?
What is 80kg?
This is the maximum static friction force on a crate with a normal force of 500 N and a coefficient of static friction of 0.6.
What is 300N?
This is the SI unit for acceleration.
What is m/s2?
This force is not about interpersonal struggles, but rather two surfaces coming together.
What is friction?
This is the tension force in the cable of a 2500kg elevator that is accelerating upwards at 1.5 m/s^2
What is 28,250N?
This is the force of air resistance a car moving at 10 m/s through air with a density of 1.2 kg/m³ experiences if its coefficient of drag is 0.5 and its frontal area is 2 m².
What is 60N?
This is the weight of a 50kg object on the moon where g=1.6 m/s2.
What is 80N?
This is the force of kinetic friction on a 25kg box with a coefficient of 0.4.
What is 98N?
This is the unit for the spring constant, that tells you how stiff a spring is.
What is N/m?
This is the force that would keep a lamp hung by a chain from falling to the floor.
What is Tension?
This is the coefficient of friction for a 20kg object being pulled with a force of 100N at a constant velocity.
What is 0.51?
This is the acceleration of a 300 kg race kart going 20 m/s with an engine force of 720 N, an air density of 1.2 kg/m³, a C_D of 0.5 and a frontal area of 1 m²
What is 2 m/s2?
This is the difference in the weight of a 10kg object on Earth compared to Mars (g=9.8 for Earth and g=3.8 for Mars)
What is 60N?
This is the acceleration of a 10 kg box pushed across a floor with 89 N of force, where the coefficient of kinetic friction is 0.5.
What is 4 m/s2?
The coefficient of static and kinetic friction, and the coefficient of drag all have this in common regarding their unit.
What is being unit-less?