Vocab
A push or a pull
Force
Force uses what unit?
N (Newtons)
An object accelerates 3.0 m/s2 when a force of 6 Newtons is applied to it. What is the mass of the object?
2 kg
An object with a mass of 2.0 kg has a force of 4 Newtons applied to it. What is the resulting acceleration of the object?
2 m/sec2
What is the formula to find the force applied to an object in Newton's 2nd Law of Motion?
F = ma
The amount of matter in an object
Mass
If a bus has a mass of 500kg and how much force is needed to make it accelerate at a rate of 5m/sec2?
2500 N
What is the mass of a toy car that needs a force of 50 N to get to a rate of acceleration of 5 m/sec2?
10 kg
An object with a mass of 5.0 kg has a force of 20 Newtons. What is the resulting acceleration of the object?
4 m/sec2
What is the unit used for mass?
Kilogram (kg)
Who discovered the three laws of motion?
Sir Isaac Newton
What force is needed to move a box that has a mass of 20kg and to create an acceleration rate of 10m/sec2?
200 N
What is the mass of a biker and bicycle that is traveling with an acceleration rate of 25m/sec2 using a force of 500 Newtons?
20 kg
An object with a mass of 20 kg has a force of 5 Newtons applied to it. What is the resulting acceleration of the object?
.25 m/sec2
What is the formula used to find the acceleration of an object in Newton's 2nd Law of Motion?
A - F / m
Your ___________ is different on the moon than it is on earth because there is less gravity on the moon.
Weight
If a sled was accelerating at a rate of 4m/sec2 and had a mass of 5kg with a rider with a mass of 20kg, what is the force needed to make it stop?
100 N
An object with a mass of 3 kg has a force of 9 Newtons applied to it. What is the resulting acceleration of the object?
3 m/sec2
What is the formula to find the mass of an object in Newton's 2nd Law of Motion?
M = F/a
The force that attracts a body toward the center of the earth
Gravity
What force is needed to move a pile of textbooks that has a mass of 20kg with an acceleration rate of 5m/sec2?
100 N
An object accelerates 5.0 m/sec2 when a force of 20 Newtons is applied to it. What is the mass of the object?
4 kg
An object with a mass of 2.3 kg has a force of 6.2 Newtons applied to it. What is the resulting acceleration of the object?
2.7 m/sec2
Newton's 2nd Law is called the Law of _______
acceleration