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17 questions
A contact force is from
objects physically touching
far apart objects
not touching object
always a pull
This game of tug of war is an example of _________ forces.
unbalanced
balanced
potential
net zero
What will the net force on the soccer ball be?
50 N to the left
50 N to the right
200 N to the left
200 N to the right
What is the net force on the car?
400 N forward (left)
0 N (balanced forces)
200 N forward (left)
200 N backward (right)
What effect does friction have on a moving object?
it causes the moving object to slow and eventually stop
it causes the moving object to speed up
it keeps the moving object moving in the same direction forever
it causes the moving object to turn around and move in the opposite direction
Person on the left = 45 N
Person on the right = 32 N
What is the net force?
zero N
10 N
77 N
13 N
This motion graph represents:
constant speed
acceleration
body at rest
slowing down
A force that opposes motion is
friction
inertia
acceleration
momentum
A change in an object's position, direction or location
Position
Force
Motion
Inertia
An object at rest stay at rest and an object in motion stays in motion until acted upon by an unbalanced force.
Newton's 3rd Law
Force
Newton's 2nd Law
Newton's 1st Law
Equal forces that do not cause a change in an objects motion
Unbalance force
Push or a pull
Balanced force
Average speed
Are unequal forces that cause a change in the motion of an object
Balanced forces
Unbalanced forces
Inertia
Gravity
Which way is the object moving?
it's either not moving or moving at a constant speed due to balanced forces
to the right
to the bottom
up
The coffee cup in the picture is at rest on the table. What is true about the Normal force?
The normal force is exactly 15
The normal force is less than 15
The normal force is more than 15
The normal force is -10
What is the NET FORCE of this diagram?
17 N, right
17 N, left
23 N, right
12 N, up
Which diagram best shows person pushing a couch (accelerating) across the floor?
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