coolcool Quiz
Question Number 1
In a lever what is the load?
A. lever
B. friction
C. effort
D. nothing at all
E. it is the object on which work is performed
F. everything
Question Number 2
What is inside a screw?
A. axle
B. wheel
C. pulley
D. wedge
E. lever
F. inclined plane
Question Number 3
Energy that an object has due to its position is called?
A. kinetic
B. mechanical
C. potential
D. sound
E. nothing at all
F. everything
Question Number 4
A push or pull acting on an object is called?
A. force
B. gravity
C. friction
D. enegy
E. magnetism
F. incline
Question Number 5
We can walk without friction.
A. true
B. false