The net force is the ________ of all forces on an object.

• difference

• sum

• quotient

• product

Answer explanation

Net force is the total amount of force acting on an object. Like there elephants that are pulling the log apart. Both elephants are exerting an equal amount of force on the object therefore the object is not moving.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Force is measured in the unit ________.

• pounds (lbs)

• joules (J)

• Newtons (N)

• grams (g)

Answer explanation

The measurement of force was named after Sir Isaac Newton who discovered gravity.

When forces are balanced, there is...

• no motion.

• constant motion.

• changing motion

Tags

NGSS.3-PS2-1

When forces are moving in same direction you _______ to calculate the net force

• add

• subtract

• multiply

• divide

Tags

NGSS.MS-PS2-2

Force is a ​ (a)   or a ​ (b)  

• push
• pull

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Forces occur in pairs.

• True

• False

Balanced forces cause a change in motion.

• True

• False

Tags

NGSS.3-PS2-1

Unbalanced forces can be in the same direction or opposite directions.

• True

• False