A force
F =
(5i − 4j)
N
acts on a particle that undergoes a displacement
Δr = (5i+j)m .
(a) Find the work done by the force on the particle.
(b) What is the angle between F and Δr?
F =
(5i − 4j)
N
acts on a particle that undergoes a displacement
Δr = (5i+j)m .
(a) Find the work done by the force on the particle.
(b) What is the angle between F and Δr?