
1 Introduction to SimMecha nic s ™ Softwar e
To repre
sent forces and torques acting at a joint, SimMechanics provides a
select
ion of actuation inputs in each Joint block. Each joint primitive—the
basic c
omponent of a joint block—provides a s ele ction of actuation inputs that
you can
select. You can represent a torque acting on a revolute or spherical
joint p
rimitive, or a force acting on a prismatic joint primitive. The figure
shows
how you can use the base-crank revolute joint block to actuate the
joint
directly.
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