Mt 2 questions from Review

• less than the weight of the block
• equal to the weight of the block
• possibly less than or equal to the weight of the block, depending on whether or not the ramp surface is smooth
• possibly greater than or equal to the weight of the block, depending on whether or not the ramp surface is smooth

• FN = mg
• FN < mg
• FN > mg

• Case A
• Case B
• Case C
• Case D

Suppose a 66.5 kg gymnast climbs a rope. What is the tension in the rope if she climbs at a constant speed? Calculate the tension force. (g=9.8 m/s2)

• 6,517 N
• 651.7 N
• 6.78 N

A force F acting on a mass m1 results in an acceleration a1. The same force acting on a different mass m2 results in an acceleration a2 = 2a1. What is the mass m2?

• m2= m1
• m2= (1/2)m1
• m2= 2m1

• the centrifugal force
• the gravitational force
• the frictional force
• the normal force applied by the drum floor
• the normal force applied by the drum wall

• 1
• 2
• 3
• 4
• 5

• left side
• rear
• top during a rollover
• right side
• front

The net force on a moving object suddenly becomes zero and remains zero. The object will

• stop abruptly.
• continue at constant velocity.
• increase speed gradually
• reduce speed gradually

• either increases or decreases, depending on the initial angle 𝜃
• decreases
• either increases or decreases, depending on the magnitude of 𝐹
• increases
• remains the same