Vocab
A contact force that pulls only
Tension
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? (Double Jeopardy!)
4 m/sec2
What is the unit used for mass?
Kilogram (kg)
Equals the change in velocity divided by the time for the change to take place
Acceleration
What force is needed to move a box that has a mass of 20kg and to create an acceleration rate of 10m/sec2? (Double Jeopardy!)
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? (Double Jeopardy!)
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? (Double Jeopardy!)
.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
The gravitational force between an object and earth
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 10 textbooks that each has a mass of 2kg with an acceleration rate of 5m/sec2?
10 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