Download Newton`s Laws and Friction Review File

Newton’s Laws and Friction Study Guide
1. What is a force? __________________________________________________________
2. What is friction? __________________________________________________________
3. Name and describe 3 types of friction.
a. ______________________________________________________________________
b. _______________________________________________________________________
c. ________________________________________________________________________
4. State which type of friction is present in the following situations(static, rolling, sliding, fluid):
a. Ice skating
e. Riding a skateboard
b. Pushing a box across the floor
f. A leaf blowing in the breeze
c. A car moving down the road
g. A desk sitting still in the room
d. A boat moving through the water
h. A golf ball flying through the air
5. Name and describe Newton’s 3 Laws of Motion.
a. _________________________________________________________________________
b. _________________________________________________________________________
c. _________________________________________________________________________
6. Identify which of Newton’s Laws apply to the following situations:
a. Slamming on brakes in a car and being
d. Lying in the grass
thrown forward
e. An apple falling from a tree
b. Rowing a boat
f. Firing a rifle
c. Shooting a basketball into a net
7. What is the formula for Newton’s 2nd Law of Motion? __________________________________
8. What is acceleration due to gravity? _________________________________________
9. The magnitude of the force of gravity between 2 objects depends on the _________________ of the
objects and the _______________________ between the objects.
10. What is mass? _________________________
What is weight? ________________________
11. How are mass and weight different? ___________________________________________________
12. What is the formula for calculating weight? _____________________________________________
13. What are the correct units for the following measurements?
a. Mass _________
e. Velocity _______
b. Force ________
f. Weight _______
c. Acceleration ___
g. Momentum ____
d. Speed _________
h. Time _________
i. Distance ______
j. Gravity _______
14. Solve the following problems: Be sure to show work and give correct units.
a. A car sitting at a stop sign accelerates to 15m/s in 4s. What is the car’s acceleration?
b. A bus covers 135.25km in 2hr. What is the speed of the bus?
c. A bicycle slows down from 10m/s to 2m/s in 6s. What is the bicycle’s acceleration?
d. If a 12kg bowling ball is thrown at a rate of 16m/s, what is the momentum of the bowling ball?
e. What is the force of an object that has a mass of 22kg and an acceleration of 5m/s2?
f. With what force would an object that has a mass of 9kg fall from a tree?
g. What is the weight of a book that has a mass of 52kg?
h. What is the acceleration of an object falling from the sky that has a mass of 105kg?
i. What is the mass of an object falling from the sky that has a weight of 8N?