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Worksheetsscience exam
Total questions: 20
Worksheet time: 22mins
what do unbalanced forces do?
affect an objects speed
change the motion of an object
affect an objects position
help the motion not change
What is the scientific word for motion?
Kinetic
kinematics
Movement
Energy
What are 3 ways you can change motion?
Speeding an object up
Not touching it at all
Stop or change direction
Slowing an object down
What happens when forces are balanced?
Every thing moves to the right or left
They in a direction with 0 force
Everything moves up or down
Nothing moves because the force is 0
What is the equation for force?
F = M x A
F = M + A
F = A - M
A + F = M
What is the term for net force?
An object acting on forces
Forces opposing an object
The sum of all the forces acting on an object
Force
What are the units used for in science?
To count
To just seem fancy
Not show measurements of quantities
express measurements of quantities
What happens when forces are unbalanced?
(a)
What the name of Sir Isaac Newton's 3rd law?
The law of acceleration
action and reaction
The law of movement
the law of inertia
What the name of Sir Isaac Newton's 1st law?
the law of inertia
The law of movement
The law force
the law of acceleration
What the name of Sir Isaac Newton's 2nd law?
Law of gravity
The law of movement
The law of force
the law of acceleration
What is a real life example Newton’s second law?
an object's acceleration does not change according to the force applied or its mass
In order to stop a moving car, force is applied to the wheels that cause deceleration, and eventually, the car stops
An object moving without any forces being applied to it
when an object is not experiencing any external forces and remains at rest or in a state of constant motion
What is a real life example Newton’s first law?
Driving an empty cart and a cart full of bricks
Non of the above
Pushing only an empty cart
when an object is not experiencing any external forces and remains at rest or in a state of constant motion
What is a real world example of Newton’s third law?
What is the equation for work?
(a)
What is an example of unbalanced forces?
What is an example of a balanced force?
What unit are Newton’s three laws in?
(Put unit then the number.)
(a)
Unit 3 is manly about ____
Adding and subtracting on a force box is when ____
Two forces applied to an object in the same direction will combine by adding the two together
Two forces applied to an object in the opposite direction will Repel by subtracting the two away
It means nothing will happen
It changes the conservation of mass
