WorksheetsBalanced, unbalanced and friction forces
Total questions: 20
Worksheet time: 10mins
You push a box 35 N to the right. Your friend pushes the box 25 N in the same direction. What is the net force?
60 N balanced to the right
60 N unbalanced to the right
10 N balanced to the right
10 N unbalanced to the right
What are force vectors?
shows the net force of an object
show the mechanical energy of an object
shows the direction and size of the force
shows the way an object reflects light
Which of the answer choices is not an characteristic of a balanced force?
no change in motion
moving at a constant speed
net force of zero
causes a change in motion
If forces are going in the same direction, you should
add the forces
subtract the forces
multiply the forces
divide the net force
What is net force?
push or pull on an object
the sum of all forces acting on an object
the ability to do work by applying force
the mass and height of an object
What is the net force of this object?
400 F arrow downward
400 F arrow upward
800 F arrow upward
800 F arrow downward
What will causes an object to move?
unbalanced forces
balanced forces
net force
potential energy
If a car is traveling faster and faster down a hill, you can be sure that-
only gravity is acting on the car
there is no friction acting on the car
the net force on the car is 0
unbalanced forces are acting on the object
If you are pushing a chair 50 N toward your friend and your friend is pulling the chair in the opposite direction, what is the net force?
net force of 0
100 N towards you
100 N towards your friend
10 N towards you and your friend
True or False: objects that are smooth have LESS friction than objects that are rough
TRUE
FALSE
Imagine you decide to jump out of an airplane 🛩
Which force is going to pull you down towards earth
Fluid Friction
Static Friction
Gravity
The wind from the airplane
Which of these materials do you predict would have the MOST amount of friction
Metal
Tile
Sand Paper
Denim
TRUE or FALSE if you push a box across a surface like Ice with no friction, it will NEVER stop
TRUE, as long as it doesn't run into something it will keep going and going and going
FALSE, it will stop very quickly
When the net forces equal 0 N, they are which of the following?
unbalanced
a push
a pull
balanced
What is the net force in the following example?
50 Newtons right
50 Newtons left
0 Newtons
150 Newtons left
In which of the activities is friction harmful:
breaks stopping a car
an eraser erasing
a person walking
car engine parts wearing out
