Show:
Work
Incline Plane
Lever
Wedge
Simple Machines
100
What is the formula for work?
Work= Force x Distance
100
Which one is not an incline plane? A. Ramp B.Ladder against a house C.Screw
C. Screw
100
Which is not a lever? A.Screw B.Hammer C.Wheelbarrow
C.Screw
100
Which is a wedge? A.Ax B.Ramp C.Crane
A.Ax
100
What is a pulley?
It is a simple machine made up of a grooved wheel with a rope or cable wrapped around it.
200
Work is measured in what.
Newton
200
Which one is an incline plane? A.Zipper B.Road going up a hill C.Screwdriver
B.Road going up a hill
200
Which on is a lever? A.Light bulb B.Wheelbarrow C.Zipper
B.Wheelbarrow
200
Which is not a wedge? A.Knife B.Ladder C.Zipper
B. Ladder
200
What is a wheel and axle?
It is a simple machine made of two circular objects fastened together that rotate around a common axis.
300
What is the SI unit for work?
Joule
300
What is an incline plane?
A flat sloped surface.
300
Which is a lever? A.Door handle B.Hammer C.Bolt
B.Hammer
300
Which one is a wedge? A.Teeth B.Ramp C.Wheelbarrow
A.Teeth
300
What is a screw?
A screw is an incline plane wrapped around a cylinder.
400
Is work being done when you exert force on an object, but the object doesn't move? Explain your answer.
No. Because when you exert a force on something that is not moing then your not doing work.
400
Is a ramp an incline plane? Explain your answer.
Yes. Because you can use it to push or pull something to a higher or lower level.
400
What is a lever?
A lever is a rigid bar that is free to pivot on a fixed point.
400
What is a wedge?
A device that is thick at one end and tapers to a thin edge at the other end.
400
Which is a pulley? A.Door handle B.Crane C.Screw
B.Crane
500
Is work being done when you are carrying something? Explain you answer.
No. Because the direction of the force being applied is not in the same direction as the objects motion.
500
Does an incline plane make work easier? Explain your answer.
Yes. Because it makes it easier to push or pull something to a lower or high level.
500
What is the fixed point?
It is were the lever pivots around the fulcrum.
500
Are your teeth wedges? Explain your answer.
Yes. Because when you bite into something your teeth go and cut it.
500
Which is a wheel and axle? A.Steering wheel B.Hammer C.Jar lid
A.Steering wheel