WorksheetsScience study guide for gravity and friction
Total questions: 22
Worksheet time: 16mins
What is a force?
A push not a pull
A pull not a push
A push and a pull
None of the above
What unit of Measurement is used for force?
Pounds
Newtons
What is friction?
The force when two surfaces rub on each other.
The force when gasses meet fluids.
The force when something free falls.
None of above
What are the two factors that affect the force of friction?
How hard the surfaces push together
How green the surfaces are
The surfaces involved
All of the above
What causes friction?
Free-Fall
Two objects rubbing against each other
When the irregularities of one surface come into contact with another surface
None of the above.
What direction does friction move when a object is moving?
The direction the object is moving in.
The opposite direction of the object moving in.
What are the 4 types of friction?
Green, Purple, Red, Yellow
Fuid, slidng, staic, rooling
Fluid, Sliding, Static, Rolling
Fuild, Silging, statci, Roingll
What does fluid mean?
Through water.
Through Air.
Through gases.
All of the above.
What is Gravity.
Gravity is the force that controls friction.
Gravity is the force that makes the human brain work.
Gravity is the force that pushes everything away from the earth.
Gravity is the force that pulls everything to the center of the earth.
What is the law of universal gravitation.
The force gravity pushes everything away from the center of the earth.
The force that pulls everything to the center of the moon.
Force of gravity acts between all objects in the universe
Object has mass and takes up space which is matter
None of the above.
What two factors affect the force of gravity.
Distance and friction.
Friction and mass.
mass and friction
Mass and distance
What is weight?
The force of gravity on a rock.
The force of gravity on a person.
The force of gravity on a object.
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What is mass.
Weight.
A measure of the amount of matter in a object.
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The unit of measurement is used to measure mass?
kilograms
Matter
What unit is used to measure weight.
Newtons
Pounds
What is the difference between mass and weight.
Weight doesn't change but mass can.
The other way around.
What is a free-fall?
When something is projected.
When the only force on a object is gravity.
When a object is swung at.
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What is the max velocity during a free fall?
Trimanal velocity
Terminal velocity.
Terminal Velctiy
Terminal Vlecity
What is air resistance?
Objects flying through the air experiencing fluid friction.
Objects flying through the air experiencing rolling friction.
Objects flying through the air experiencing Static friction.
Objects flying through the air experiencing Sliding friction.
What is terminal velocity.
The slowest velocity during free fall.
The fastest velocity during free fall.
What is a projectile?
A object in free fall.
A objects pushing up.
A object pushing outward.
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What happens when a projectile and a object in free fall drop?
The one in projectile falls first.
The one in free fall falls first.
They fall at the same time.
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