# physics

posted by
**Anonymous** on
.

Three blocks are in contact with each other

on a frictionless horizontal surface. A 696 N

horizontal force is applied to the block with

mass of 4.7 kg as shown in the ﬁgure below.

The acceleration of gravity is 9.8 m/s

2

.

4.7 kg 5.5 kg 7.1 kg

F

a) What is the net force on the block with

mass 4.7 kg?

Answer in units of N

011 (part 2 of 5) 10.0 points

b) What is the resultant force on the block

with mass 5.5 kg?

Answer in units of N

012 (part 3 of 5) 10.0 points

c) What is the resultant force on the block

with mass 7.1 kg?

Answer in units of N

013 (part 4 of 5) 10.0 points

d) What is the magnitude of the force between

the block with mass 5.5 kg and 7.1 kg?

Answer in units of N

014 (part 5 of 5) 10.0 points

e) What is the magnitude of the force between

the block with mass 4.7 kg and 5.5 kg?