Resultant Forces

The sum of all forces acting on an object is called

• unbalanced force.

• balanced force.

• resultant force.

Tags

NGSS.MS-PS2-2

If forces on an object are unbalanced, it will _______

• make the object to move or change direction.

• make it move at same speed.

• it will remain still.

Tags

NGSS.MS-PS2-2

Forces acting on an object are said to be balanced, when

• the forces are equal in size and are acting in opposite direction.

• the forces are equal in size and are acting in same direction.

• the forces are different in size and are acting in opposite direction.

Which of the statements is true?

• The bottom of the boot exerts more pressure than the shoe as a result of an increase in surface area.

• The bottom of the shoe exerts more pressure than the boot as a result of an decrease in surface area.

• The bottom of the shoe exerts the same pressure as the bottom of the boot.

Label the forces acting in this image.

a

c

d

b

gravity

normal force

applied force

friction

Tags

6-8.AG.7.1

Label the forces acting in this picture.

a

b

c

gravity

air resistance

applied

Tags

6-8.AG.7.1

What is the name for a single force on an object with the same effect as all the forces combined?

• big

• total

• resultant

• sum

Tags

NGSS.MS-PS2-2

Two forces on an object are in the same direction. How do we calculate the resultant force?

• take away one from the other

• multiply them

• divide one by the other

• add them together

Tags

NGSS.MS-PS2-2

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?

• 50N to the left.

• 350N to the left.

• 350N to the right.

• 50N to the right.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the resultant force?

• 40 N, Left

• 0 N, Balanced

• 400 N, Right

• 40 N, Right

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2