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WorksheetsForces review
Total questions: 49
Worksheet time: 43mins
What is a pendulum?
a weight tied on a string that swings back and forth
something you write with
a musical instrument
What is resistance to motion called?
friction
inertia
electricity
force
Why can rubbing two sticks together quickly start a fire?
the friction between the two sticks produces heat
because they are made of wood and wood burns
the fraction between two sticks creates a whole piece big enough to burn
In the big pendulum Izzy and Zoe made, how does each component swing?
each individual block swings back and fourth
all the blocks swing in the same direction at the same time
the blocks all stop moving at the same time
they don't move
What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec2
102.04 n
9,800 n
980 n
103 n
Which are forces?
thrust
drag
weight
air foil
lift
For a plane to go up, ______________ has to be same or greater than weight.
lift
drag
thrust
For a plane to go forward, ____________ has to be equal or greater than drag.
lift
weight
thrust
Lift is
the downward force of gravity pulling on mass.
resistance of air when an object moves through it.
a forward force.
an upward pull.
What 2 forces work against a plane's ability to fly?
weight
lift
thrust
drag
Thrust is
the downward force of gravity pulling on mass.
resistance of air when an object moves through it.
a forward force.
an upward pull.
Weight is
the downward force of gravity pulling on mass.
resistance of air when an object moves through it.
a forward force.
an upward pull.
What word best describes this shape?
airplane
airfoil
airway
airon
Identify which force is weight
Identify which force is thrust
