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11 questions
What is often referred to as the Law of action and reaction?
Newton's first law of motion
The law of gravity
Newton's third law of motion
According to Newton's third law of motion, for every action, there is:
An equal and opposite reaction
A slightly weaker reaction
A reaction only in a vacuum
What must object one do to make object two move?
Apply less force than object two
Apply enough force to overcome object two's resistance
Apply the same amount of force as object two
What is expelled downwards to propel rockets into space?
Water
Air
Gas
When Joan jumps into the air, what is the action that causes her to move upward?
The sun's energy
Gravity pulling her down
Her feet sending force or momentum down
What happens if you push the water with more effort while swimming?
You will move slower
You will propel faster and further
You will stay in place
What demonstrates Newton's third law of motion in the swimming pool example?
The depth of the pool
The force exerted against the water
The color of the water
A book pushes down on a table with a force of 5N, the table..
Pushes back with a force of 5N
Pushes back with a force less than 5N
Does nothing. A table has no force.
A softball bat hits a softball with a force of 100 Newtons. What is the force and direction exerted by the ball on the bat?
100 Newtons, same direction
100 Newtons, opposite direction
200 Newtons, same direction
Newton's 3rd Law of Motion states: that for every (a) in nature there is an equal and (b) reaction. If object A exerts a (c) on object B, object B also (d) an equal and opposite force on object A
Forces come in ___________ ___________ force pairs.
action, reaction
acting lessons
chemical reaction
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