A row of six 1.0 N wooden blocks is being pushed across a tabletop at a constant speed by a toy tractor that exerts a force of 1.3 N on the row. What is the coefficient of kinetic friction between the wooden blocks and the tabletop?

a.
0.80
c.
1.3
b.
0.22
d.
4.6

Question

A row of six 1.0 N wooden blocks is being pushed across a tabletop at a constant speed by a toy tractor that exerts a force of 1.3 N on the row. What is the coefficient of kinetic friction between the wooden blocks and the tabletop?

a.
0.80
c.
1.3
b.
0.22
d.
4.6

lastdaywork · Answer

"... at a constant speed..."
This implies that the blocks are in equilibrium.

Hence, the force applied by the tractor = combined frictional force
Kinetic Friction = μ*N

Can you solve the question now ??