This force keeps Slinky Dog together in the movie Toy Story!
What is spring force
The net force of a 60N force directed to the right and a 17N force directed to the left
What is 43N to the right
A physics book rests on a bookshelf near the window of the classroom. Write the Fnet equation
What is Fnet = Fn - Fg
A 5 kg block is attached to the left end of a string and a 10kg block is attached to the right side of a string. Determine the mass of the system
What is 15kg
An elevator is accelerating up, a person feels
Heavier
Contrary to it's name, this unique force is associated with the surface of things.
What is normal force
A fisherman reels in a bass of 5kg at a rate of 3.0 m/s2 . The force exerted by the fisherman is
What is 15N
A box is getting dragged by a string across the floor. Write the Fnet equation for the horizontal component of the motion.
Fnetx = T - Fk
A 20kg block is attached to the left side of a string and a 2 kg block is attached to the right side of the string. Determine the magnitude of the acceleration of the system
What is 8.0 m/s2
An elevator is accelerating down, a person feels
This force results in a large acceleration on humans but a very small acceleration on the Earth
What is gravitational force
A 20kg bucket hangs from a string. Determine the tension
What is 196N upwards
A person lays down on their inner spring mattress. Write the Fnet equation for the vertical component of the person.
Fnety = Fsp - Fg
A 3.0 kg block is at rest on a frictionless table when it is attached by a string to a 4.0 kg block. The 4.0kg block is allowed to fall from the table. Determine the acceleration of the system.
What is 5.7 m/s2
An elevator accelerates up at 18 m/s2. A 75kg man would appear to weigh
2085N
This upward directed force keeps a stoplight from falling on to your car!
What is tension
A 1000kg car accelerates at a rate of 7 m/s2. The coefficient of friction between rubber and the road is 0.9. Determine the force exerted by the engine to move the car.
What is 7000N
A 195kg piano on the ground cannot be pushed to the right by a person. Write the Fnet equation of the horizontal forces acting on the piano
Fnet = Fpush - Fs
A 400kg crate is on the left side of a pulley system and a 750kg counterweight is on the right side of a pulley system. Determine the tension in the cable.
What is 5112N
**Acceleration is 2.98 m/s2
An elevator accelerates down at 18 m/s2. A 75 kg man appears to weigh
What is 615N
Without this force, walking would be impossible
What is friction
A 3kg sign is hung outside a restaraunt by two strings. The strings make an angle of 35 degrees to the sign. Determine the tension in each string.
What is 25.6N
A 1200kg car is accelerating at 2m/s^2 down the highway. What is minimum static friction coefficient?
What is 0.2
A 45kg block is at rest on a table with friction and attached to another block hanging off the edge. The block hanging is allowed to fall. The system accelerates at a rate of 9 m/s2. The coefficient of friction is 0.5. What is the mass of the hanging block?
What is 782kg
A 68kg person stands on an elevator. The instant the elevator begins to move, the person feels 35N heavier. What is the acceleration of the elevator.
0.51 m/s2