Download Forces Test Study Guide

Forces Test Study Guide
1. State the following SI units for the following:
a. Force
b. Mass
c. Acceleration
2. What is 1 Newton equal?
3. Define the following:
a. Inertia
b. Friction
c. Gravity
d. Air resistance
4. In what direction does gravity act and what direction does air resistance act?
5. Weight equals:
6. Describe the following frictions
a. Rolling
b. Static
c. Fluid
7. Describe Newton’s Laws
a. Newton’s 1st Law of Motion
b. Newton’s 2nd Law of Motion
c. Newton’s 3rd Law of Motion
8. What is the difference if an unbalanced force acts upon an object compared to when a balance
force acts upon an object?
9. If the mass of an object is increased while the force remains the same what will happen to the
acceleration of the object?
10. If the force is increased while the mass stays the same what will happen to the acceleration of
the object?
11. Give some examples of Newton’s 3rd Law of Motion.
Practice Problems:
1. What is the mass of an object that weighs -525 Newtons?
Weight (Fw)
mass (m)
gravity (g)
2. What is the weight of an object that has the mass of 8.5 kg?
Weight (Fw)
mass (m)
gravity (g)
3. If an object’s mass is 5.6kg and has the weight of -30.2N on mars then what is the gravity on
Mars?
Weight (Fw)
mass (m)
gravity (g)