Force and Motion

On the Picture the balloon pushes the air right. What is the second force in this interaction pair?

• The air pulls the ball left

• Gravity pulls the balloon down

• The air pulls the balloon right.

• The air pushes the balloon left.

Tags

NGSS.MS-PS2-1

This is a rocket.The rocket pushes the fuel down.What is the other force in this interaction pair?

• The fuel pushes the rocket up.

• The fuel pulls the rocket up.

• The rocket pulls the earth up.

• The earth pulls the rocket down.

Which force is so low that it causes the man to slip and fall?

• Gravity

• Friction

• Air Resistance

• Motion

What is the net force?

• 400 N Up

• 400 N Down

• - 400 N Down

• 800 N Down

What is the net force

• 10 N

• 25 N

• 5 N

• 0 N

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

• acceleration

• friction

• inertia

• unbalanced

for every action there is...

• An equal and opposite reaction

• a different force

• An equal and different reaction

• two more forces

Which force produces a change in movement?

• frictional force

• balanced force

• gravitational force

• unbalanced force

Tags

NGSS.MS-PS2-2

two or more forces act upon an object in such a way as to exactly counteract each other

• friction

• unbalanced force

• balanced force

• force

If these boys are pulling with the same amount of force. What will happen?

• The boy in blue will win.

• They will not move at all.

• The boy in red will win.

• Both will fall down.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2