Work Power Momentum Problems REVIEW…(And a few things new!) Equations are on the board…….SET ALL PROBLEMS UP
****Set each problem up and solve. You must complete a calculation page for the problems that require an
equation.
1.
2.
3.
4.
5.
6.
7.
8.
A.
B.
C.
D.
E.
F.
G.
H.
9.
Weight is a ???A???? so the equation used to calculate weight is ????B?????.
What is the weight of a 13kg crate?
How much momentum does a 3000kg car have if it is has a velocity of 4.0m/s?
What is the kinetic energy of the car in #3?
A 3.0kg block of wood is lifted 2.0m to a shelf. How much gravitational potential energy does the block
gain?
John pulls a13.0kg wagon a horizontal distance of 30m in 10.0seconds by applying a force of 38N. How
much work did John do?
In question 6, how much power did John produce?
An 1900kg car is traveling at a constant velocity of 10.0m/s Eastward.
What is the weight of the car?
What is the mass of the car?
What is the kinetic energy of the car?
What is the momentum of the car?
Is this car in equilibrium? Y/N EXPLAIN HOW YOU KNOW.
If the car begins to accelerate Eastward at 3.0m/s/s, is the car in equilibrium? Y/N.
Refer to question F. Calculate the force that the tires must apply to the road to cause this acceleration.
At a speed of 10.0m/s how long would it take the car to travel a distance of 100 meters?
Complete the following table.
Equation
Unit(s)
Speed
Velocity
Acceleration
Force
Weight
Work
Momentum
GPE
KE
Power
10. How many:
A. grams in a kilogram?
B. millimeters in a meter
C. meters in a kilometer?
D. centimeters in a meter
Look at diagram A .
11. What is the mass of the box?
12. What is the weight of the box?
13. Is the box in equilibrium? Y/N
E. milliliters in a liter
14. The net force acting on the box is _________N in a direction of _____________
15. Calculate the acceleration of the box.
16. Match each of the following with the correct definition:
A. Distance
G. Force
B. Displacement
H. Weight
C. Speed
I. Work
D. Velocity
J. Gravitational potential energy
E. Vector
K. Kinetic energy
F. Acceleration
L. Power
1. Rate of motion in a given direction.
11. Any measurement that can be
Displacement per unit time.
expressed with a magnitude and
direction.
2. A push or a pull. Defined in
12. Rate of change of velocity.
Newton’s Second Law.
3. Energy stored in a mass by lifting it
against gravity.
4. Total length of a path traveled
5. distance traveled divided by time
6. How gravity effects a mass.
7. The rate at which energy is used.
8. Energy gained by a mass as its
velocity increases.
9 straight line distance and direction
from starting point to ending point
10. Equal to energy, it is a force that
moves through a distance.