Simple
machines make work easier by trading …………..for force.
a) Friction
b) Work
c) Distance
d) all of these
A wheel barrow is an example of a………class lever.
a) Fourth
b) First
c) Second
d) all of these
Which is an example of a wheel and axle that makes work easier by reducing friction?
a) Screwdriver
b) Pencil sharpener
c) Ladder
d) all of these
All of the following are simple machine, except: NTS PST ----P-6---- 2016
Which
part of the lever supplies the force to move something?
a) Fulcrum
b) Load
c) Effort
d) all of these
Which simple machine does a flagpole make use of?
a) Lever
b) Inclined plane
c) Pulley
d) none of these
