Physics 1 Practice

What is a force?

• the PUSH or PULL on an object 
• The MOTION an object creates
• The objects HITTING one another
• Going REALLY FAST

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

If there are two forces going in the SAME direction, you would ...?

• (-) Subtract the forces
• (+) Add the forces
• Neither
• (x) Multiply

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NGSS.MS-PS2-2

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

• Subtract

• Add

• Neither

• Multiply

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NGSS.MS-PS2-2

What is the net force?

• 5.5 N left
• 5.5 N right
• 2.5 N left
• 2.5 N right

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the net force?

• 65 N left
• 65 N right
• 35 N left
• 35 N right

Tags

NGSS.MS-PS2-1

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

What is the net force?

• 11 N left
• 11 N right
• 3 N left
• 3 N right

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The diagram below shows a skateboarder pushing himself forward with a force of 25 N while the wind pushes back with a force of 5 N. How will the skateboarder be affected if the force of the wind increases to 8 N?

• The speed of the skateboarder will increase.
• The speed of the skateboarder will remain constant.
• The speed of the skateboarder will decrease.
• The skateboarder will come to a stop.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

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

• Balanced force
• Unbalanced force

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NGSS.3-PS2-1

Which one is balanced?

• top
• bottom
• both

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NGSS.MS-PS2-2