Causes of Motion

What is a force?

• a push or pull
• speed or acceleration 
• potential or kinetic energy
• balanced or unbalanced force

Tags

NGSS.MS-PS2-1

When objects remain in the same place, it is called...

• gravity
• friction
• balanced force
• unbalanced force

What is the force that causes everything to be pulled down to the Earth?

• friction
• gravity
• balanced
• unbalanced

Tags

NGSS.MS-PS2-4

What is a force that works AGAINST MOTION?

• Force
• Motion
• Gravity
• Friction

Tags

NGSS.MS-PS2-2

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

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

Forces that have a net force of zero ( the object is still).

• Balanced force
• Unbalanced force

What type of friction is not moving?

• static
• sliding
• fluid
• rolling

How would the absence of friction affect a marble traveling on a long, straight path?

• The marble’s speed would decrease.
• The marble’s speed would increase.
• The marble would stop immediately. 
• The marble would remain at constant speed.

Tags

NGSS.MS-PS2-2