Forces
What is a force?
A force is a push or pull. It can make something start or stop moving.
What is a pulley?
A special kind of wheel system that uses a rope and a wheel.
What is a gear?
A special kind of wheel where one tooth wheel rotates another toothed wheel.
Give an example of something that uses a gear
any
What is muscular force?
force created through the use of your muscles.
What is speed?
how fast or slow something moves
What is a load?
The load is something that is being lifted or carried.
What is torque?
A measure of rotational force.
What materials are attracted to magnets ?
any
What is friction?
A force that acts on two objects that rub against each other.
Give an example of a force you use everyday.
any answer
What are the three types of pulleys?
fixed, moveable, compound
What type of gear has teeth that meet at a flat surface?
Spur gear
Give an example of muscular force
push up
what is friction?
A force that pulls objects towards each other.
what are some examples of natural forces?
landslide, tsunami etc.
water well, blinds
What type of gear is inserted between two other gears?
idler gear
give an example of high friction
bike tires on the road
What is magnetic force?
the force of a magnet attracting items made of steel, cobalt, iron and nickel
Give an example of how you can stop an object from moving.
any answer
Give an example of how a pulley can help improve accessibility for people with disabilities.
Elevator
What is the input gear on a bicycle?
the pedals
give an example of low friction
going down a slide
What is electrostatic force?
the push or pull that happens with static- charged objects.