Forces and work done

If there are two forces going in the same direction how would you find the net force?

• Subtract
• Add
• Neither
• Multiply

Tags

NGSS.MS-PS2-2

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?

• 60 N right
• 10 N left
• 60 N right
• 50 N left

Tags

NGSS.MS-PS2-2

What is the net force?

• 17 N Right
• 3 N Right
• 3 N Left
• 17 N Left

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Name two quantities that are vectors.

• force and speed
• speed and acceleration
• force and acceleration
• mass and weight

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

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

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

• divide one by the other
• multiply them
• find the difference between them
• add them together

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 word describes both the speed and direction of movement of an object?

• speed
• acceleration
• displacement
• velocity

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

• big
• total
• resultant
• sum

The force that opposes the motion of two surfaces sliding past each other is called ___________.

• acceleration
• inertia
• friction
• unbalanced