[Examination 1] Physics for Engineers

How many kilograms are there in 1 slug?

• 11.0
• 12.5
• 13.2
• 14.6

What is the maximum value of the static friction?

• Starting friction
• Sliding friction
• Kinetic friction
• Dynamic friction

What is TRUE between kinetic friction and static friction?

• Kinetic friction is always to static friction
• Kinetic friction is always less than static friction
• Kinetic friction is always greater than static friction
• Kinetic friction is equal to or greater than static friction

What is another term for kinetic friction?

• Dynamic friction
• Starting friction
• Sliding friction
• All of these

For the same materials in contact, what is TRUE between coefficient of static friction and coefficient of kinetic friction?

• Coefficient of static friction is always less than the coefficient of kinetic friction
• Coefficient of static friction is always equal to the coefficient of kinetic friction
• Coefficient of static friction is always greater than the coefficient of kinetic friction
• Coefficient of static friction may be greater than or less than the coefficient of kinetic friction.

Efficiency of a machine is the ratio of:

• power output to power input
• power input to power output
• total work done to total energy
• total energy to total power

What is the energy something possesses by virtue of its motion?

• Kinetic energy
• Potential energy
• Rest energy
• Mechanical energy

What is the energy something possesses by virtue of its mass?

• Kinetic energy
• Potential energy
• Rest energy
• Mechanical energy

What is the energy something possesses by virtue of its position?

• Kinetic energy
• Potential energy
• Rest energy
• Mechanical energy

When the vector sum of the external forces acting on the system of particles equals zero, the total linear momentum of the system ----------

• becomes zero
• maximizes
• changes abruptly
• remains constant