The horizontal surface on which the block of
mass 5.2 kg slides is frictionless. The force of
64 N acts on the block in a horizontal direction
and the force of 128 N acts on the block at an
angle as shown below.
5.2 kg
128 N
60
◦
64 N
What is the magnitude of the resulting acceleration of the block? The acceleration of
gravity is 9.8 m/s
2
.
Answer in units of m/s
2