PMA 1 Review: 8th Grade Science

What force holds the planets in motion around the sun?

• Magnetic
• Electrical
• Gravitational
• Air Resistance

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Leanna decided to rearrange her bedroom by moving her dresser to the opposite wall. She tried pushing it, but found that the dresser would not move. What force was Leanne NOT able to overcome?

• normal force

• gravitational force

• tension force

• frictional force

Tags

NGSS.MS-PS2-2

Name the missing force....

• weight force
• normal force
• frictional force
• tension force

Tags

NGSS.MS-PS2-2

A type of friction that occurs when air pushes against a moving object causing it to decelerate.

• surface area
• air resistance
• velocity
• gravity 

The SI Unit of force is

• Pascal
• Meter/second
• Newton
• kg

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

With unbalanced forces, the object will move in the direction of the _______ force.

• larger 
• smaller 
• equal 

Tags

NGSS.MS-PS2-2

Calculate the net force shown in the  diagram?

• 0N
• 400 N
• 600 N
• 800 N

Tags

NGSS.MS-PS2-2

Calculate the net force shown in the  diagram?

• 6 N
• 0 N
• 3 N
• 9N

Tags

NGSS.MS-PS2-2

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

• Subtract

• Add

• Neither

• Multiply

Tags

NGSS.MS-PS2-2