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100
A ________ is a scientist who studies motion. A, chemist B, biologist C, physicist
What is C, physicist
100
The back-and-forth motion of an object from a central point is called______motion. A, linear B, periodic C, rotational
What is B, periodic
100
A_______ is the push or pull of one object on another object. A, work B, efficiency C, force
What is C, force
100
The force of ______ resists the motion of one object against another. A, friction B, gravity C, power
What is A, friction
100
A tool that requires only one force to be used is called a______machine. A, simple B, angular C, linear
What is A, simple
200
The motion of an object around a central point is called_____motion. A, simple B, angular C,linear
What is B, angular
200
The force of _____pulls together all objects in the universe. A, friction B, electricity C, gravity
What is C, gravity
200
The________of an object is the distance that an object travels over a certain amount of time. A, compound B, rotational C, velocity D, work
What is C, velocity
200
The motion of an object in a complete circle is______motion. A, compound B, rotational C, velocity D, work
What is B, rotational
200
A combination of two or more simple machines is called a_____machine. A, compound B, rotational C, velocity D, work
What is A, compound
300
Using force on an object to make it move is called_____. A, compound B, rotational C, velocity D, work
What is D, work
300
A tire swing is _______. A, linear motion B, rotational motion C, periodic motion
What is C, periodic motion
300
A dropping rock is ________. A, linear motion B, rotational motion C, periodic motion
What is A, linear motion
300
A bullet from a gun is ______. A, linear motion B, rotational motion C, periodic motion
What is A, linear motion
300
The hands of a clock are________. A, linear motion B, rotational motion C, periodic motion
What is B, rotational motion
400
A helicopter blade is ______. A, linear motion B, rotational motion C, periodic motion
What is B, rotational motion
400
The rocking of a boat is ______. A, linear motion B, rotational motion C, periodic motion
What is C, periodic motion
400
Name a daily life thing that demonstrates the simple tool lever.
What is see-saw; hammer etc.
400
Name a daily life thing that demonstrates the simple tool wheel and axle.
What is bike, car, etc
400
Name at least three types of forces.
What is push, pull, gravity, friction, magnetism
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