Use the Newton's second law equation to solve the following problems.
Darrel Deval assumes the spread-eagle position during the first two minutes of his skydiving plunge. His 70.1-kg body eventually reached a terminal velocity of 58.0 m/s by the 2-minute mark.
What is the net force on Darrel's body at this moment?
Net Force
N
What is the force of air resistance on his 70.1-kg body?
Air Resistance
A 4.06-kg bucket of water is raised upward from a well by a rope attached to the bucket. The upward acceleration of the bucket is 1.11 m/s/s. Determine …
… the weight of the bucket.
Weight
… the net force experienced by the bucket.
… the tension in the rope.
Tension
Consider the free-body diagram for an object accelerating across a surface. The object has a mass of 4.13-kg. There is a forward thrust force of 42.2 N. The coefficient of friction between the object and the surface is 0.457. Determine the …
… Fnorm experienced by the object.
Normal Force
… Ffrict experienced by the object.
Friction Force
… Fnet experienced by the object.
... acceleration of the object.
Acceleration
m/s/s
Amanda B. Reckenwyth is exerting a rightward force of 122.0 N in order to drag a 15.9-kg box of books across the floor at a constant speed of 0.26 m/s. Determine the ...
... force of gravity.
Fgrav
... normal force.
Fnorm
... applied force.
Fapp
... friction force.
Ffrict
... net force.
Fnet
... acceleration of the box.
... coefficient of friction (mu).
mu
(no unit)
While decorating her apartment, Julie pushes a 600.0-N dresser across the floor by applying a 531.0-N horizontal force. The coefficient of friction between the dresser and the floor is 0.598. Determine the acceleration of the dresser.
Alejandra is attempting to drag her 34.3-kg Golden Retriever across the wooden floor by applying a horizontal force. What force must she apply to move the dog with a constant speed of 0.70 m/s? The coefficient of friction between the dog and the floor is 0.832.
Applied Force