Tutorial 3: Particle – Equivalent System of Forces
KMEE 1168 Engineering Mechanics
Question 1 Question 3
A 13.2-N force P is applied to the lever which A 700-N force P is applied at point A of a
controls the auger of a snowblower. structural member. Replace P with
Determine the moment of P about A when α (a) An equivalent force-couple system at C
is equal to 30°. (1.788 Nm) (b) An equivalent system consisting of a
vertical force at B and a second force at D.
(700N, 585Nm, 87.5N, 626N)
Question 4
Question 2 Gear C is rigidly attached to arm AB. If the
forces and couple shown can be reduced to a
The tension in the cable attached to the end C single equivalent force at A, determine the
of an adjustable boom ABC is 1000 N. Replace equivalent force and the magnitude of the
the force exerted by the cable at C with an couple M.
equivalent force-couple system (362N, 327Nm)
(a) at A
(b) at B.
(1000N, 1724Nm, 1000N, 958Nm)
KMEE 1168 Engineering Mechanics
Question 1 Question 3
A 13.2-N force P is applied to the lever which A 700-N force P is applied at point A of a
controls the auger of a snowblower. structural member. Replace P with
Determine the moment of P about A when α (a) An equivalent force-couple system at C
is equal to 30°. (1.788 Nm) (b) An equivalent system consisting of a
vertical force at B and a second force at D.
(700N, 585Nm, 87.5N, 626N)
Question 4
Question 2 Gear C is rigidly attached to arm AB. If the
forces and couple shown can be reduced to a
The tension in the cable attached to the end C single equivalent force at A, determine the
of an adjustable boom ABC is 1000 N. Replace equivalent force and the magnitude of the
the force exerted by the cable at C with an couple M.
equivalent force-couple system (362N, 327Nm)
(a) at A
(b) at B.
(1000N, 1724Nm, 1000N, 958Nm)
