Ch. 17 Forces

Which two forces are acting on the dog as it flails through the air and tumbles on the ground?

• weight and mechanical energy

• gravity and magnetisim

• friction and magnetisim

• gravity and friction

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What is the net force?

• 3 N

• 3 N, right

• 17 N, right

• 3 N, left

Tags

NGSS.MS-PS2-2

Who wins the tug of war with what net force?

• The person on the left with 20 N
• The person on the left with 80 N
• The people on the right with 20 N
• The people on the right with 100 N

Tags

NGSS.MS-PS2-2

What is the net force?

• 20 N 
• 0 N 
• 400 N 
• 40 N 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the unit to MEASURE force?

• Kilogram

• Meter

• Pounds

• Newton

If these teams 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-PS2-2

Balanced or unbalanced?

• balanced
• unbalanced

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Forces that have a net force of zero Newtons

• Balanced force

• Unbalanced force

What does the strength of gravity between two objects depend upon?

• Mass & distance
• Mass & weight
• Gravity & inertia
• Inertia & mass

Tags

NGSS.MS-PS2-4

All objects in the universe have a gravitational attraction to each other. 

• True
• False

Tags

NGSS.MS-PS2-4