Balanced and unbalanced forces

Front

You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?

Back

60 N right

Front

Which could be an example of an unbalanced force? Options: A plate sitting on a dining table, A ball at the top of a hill that is not moving, Earth orbiting the Sun, A baseball that has been thrown to home plate.

Back

A baseball that has been thrown to home plate.

Front

Which object will experience an unbalanced force? Options: A bike rider on a smooth and level road, pedaling at a constant rate; A train pulling on another train, each with the same amount of force; A chair sitting on the floor with balanced forces acting in opposite directions; A ball rolling across the floor with friction acting in the opposite direction.

Back

A ball rolling across the floor with friction acting in the opposite direction.

Front

If these teams are pulling with the same amount of force what will happen?

Back

They will not move at all.

Front

What is the net force?

Back

40 N right

Front

In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N. What is the resultant force?

Back

50N to the left.

Front

What is the net force?

Back

400 N Down

Front

Which of the answer choices is not a characteristic of a balanced force? Options:

no change in motion

,

moving at a constant speed

,

net force of zero

,

causes a change in motion

Back

causes a change in motion

Front

If forces are going in the same direction, you should

Back

add the forces

Front

Net force

Back

the sum of all forces acting on an object