Evan and Jaelin are pushing Evan's truck with a dead battery with forces of 20
N and 25 N in the same direction. What is the net force applied on the truck?Draw
arrows with on the picture showing the forces and tell whether your equation is
balanced or unbalanced.
Question 8
8.
Question 9
9.
Question 10
10.
Question 11
11.
Question 12
12.
Question 13
13.
Label at least 4 forces that are at play in this car accident.
Question 14
14.
Question 15
15.
1
1
1
1
Question 20
20.
Which of the blocks shown would not move when exposed to the forces ?
Block C
Block D
Block A
Block B
Which best describes average speed?
A: The rate at which an object is traveling at a given time.
B: The rate at which an object travels over a period of time.
C: A change in the motion of an object.
D: A distance between two objects over time.
Question 3
3.
A kayaker paddles along a river for four hours. In that time, she manages to
move a total of 20 miles. What is the average speed of the kayak for this trip?
A: 20 mph
B: 4 mph
C: 5 mph
D: 16 mph
Question 5
5.
Work is performed when
an object is moved
a force pushes an object a certain distance
a balanced force allows an object to remain stationary
a force acts on a specific area
Friction between surfaces can be reduced by all of the following EXCEPT:
Smoothing the surfaces.
Using wheels or rollers.
Lubricating or rolling the surfaces.
Increasing the mass of the objects.
What will happen to the mass of a ball if it is moved from Earth to the Moon?
A. The mass will increase.
B. The mass will decrease.
C. The mass will not exist.
D. The mass will remain the same.
What is the measure of the gravitational force on Earth?
A. mass
B. weight
C. energy
D. inertia
What is the difference between mass and weight?
A. Mass is the amount of matter in an object, and weight is the pull of gravity on an object.
B. Weight is the amount of matter in an object, and mass is the pull of gravity on an object.
C. Mass is always more than weight.
D. Weight is always more than mass.
____________________ is done whenever a force moves an object through a distance.
A. load
B. energy
C. work
D. friction
E. force
If you hit a wall with 100 N, what happens?
The Wall will hit back with 50 N
The Wall will hit back with 100 N
The Wall will not do anything
The Wall will move
Select all the examples of action/reaction
hero's engine
bouncing ball
walking
acceleration
Question 16
16.
Question 17
17.
Question 18
18.
Question 19
19.
When do the laws of motion apply to objects?
all the time
when they are at rest
when they change direction
when they are accelerating
A
B
C
D
A
B
C
D
If the force of friction is resisting the student's push of 4 N, what is the net force acting on the board?
F
G
H
J
What is the ball's average speed during the time represented in the graph?
F
G
H
J
If the load exerts a strong downward force, the glue -
