Real World Scenarios
Balanced and Unbalanced Forces
Net Force
Vocabulary
Mass and Inertia
100
What would happen to passengers in a car if the driver slams the break?
The passenger would shoot forward.
100
The object is moving then the forces are
unbalanced
100
Two people are pushing a box to the right, one is pushing it with a force of 30 and the second person is pushing the box with a force of 30. What is the net force.
60N
100
What is a total amount of force called?
Net force.
100
Which one has more Inertia, a bowling ball or tennis ball?
Bowling ball
200
If a tennis ball is not moving or just staying in the same place. What will it do?
Stay in the same place.
200
If an object is still the forces are
balanced
200
One dog is pulling a toy to the left with a force of 50N but there is another dog pulling the toy to the right with a force of 30N. What is the net force?
20N to the left.
200
A push or a pull applied to a object?
A force.
200
True or False: If an object is still it has Inertia.
True.
300
When you slide a hockey puck across the ice why does it eventually slow down?
From the friction.
300
Balance or unbalanced
balanced
300
Two people want it to install a fridge at their house. First they have to move it inside. One person has a force of 50N to the right and the other person has a force of 60N also in the same direction. What is the net force?
110N
300
Name given to Newton's first law.
Law of Inertia.
300
Is it easier to push a shopping cart with it full or empty?
Empty shopping cart.
400
A car is driving north with a Force of 90N, but the friction from the road is slowing the car down with a Force of 10N. What is net Force
80N
400
 balanced or unbalanced
unbalanced
400
When forces act in the same direction do you add or subtract them?
Add.
400
What letter goes at the end of the numbers as a unit force (like 10__)
N (Newton's)
400
Which is harder to move a golf ball or a medicine ball?
medicine ball.
500
A basball player hits a home run. The ball eventually falls back down because what force is acting upon it?
Gravity.
500
If their is a balanced force can the object still move?
Yes.
500
Two classes are playing a game of tug-of-war. The 5th grade class uses a force of 150N to the right. The 4th grade class pulls the rope with a force of 120N to the left. What is the direction and net force?
To the right 30N
500
What force acts between to objects and slows one down?
Friction.
500
True or False: More mass means more Inertia.
True.