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by BlastRoom
Practice deciding which force relationship applies in mixed Newton's laws problems.
#physics
30 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
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The diagram shows every force on a 20 kg box on a level floor. Right is positive. What is the box's acceleration?
The diagram shows every force on a 30 kg sled. Right is positive. What is the sled's acceleration?
The diagram shows every force on a 60 kg load being lifted. Up is positive. What is the load's acceleration?
A 5.0 kg cart has the forces shown. Right is positive. What is the cart's acceleration?
The diagram shows all vertical forces on an 8.0 kg drone. Up is positive. What is the net force on the drone?
The diagram shows every force on a 50 kg cart. Right is positive. What is the cart's acceleration?
The diagram shows every force on a 12 kg cargo box. Up is positive. What is the box's acceleration?
The diagram shows every force on a 4.0 kg book. Right is positive. What is the book's acceleration?
A 2.0 kg puck moves in a circle of radius 0.50 m. The diagram shows the forces on it. Toward the center, left, is positive. What is its speed?
A 15 kg crate slides on a level floor with the forces shown. What is the coefficient of kinetic friction?
The cart in the diagram accelerates 3.0 m/s² to the right. Right is positive. What is the cart's mass?
The diagram shows every force on a 6.0 kg hanging mass. Down is positive. What is the mass's acceleration?
A ball tied to a string moves at constant speed in a horizontal circle on a frictionless table. Which relationship gives the string tension?
A crate slides at constant velocity while a horizontal pull balances kinetic friction on a level floor. Which relationship gives the required pull?
An elevator of mass m accelerates upward with magnitude a. Up is positive. Which relationship gives the cable tension?
A box remains at rest when a student pushes it horizontally with 35 N, below the maximum static friction. Which relationship gives the actual static friction?
Two carts are connected and pulled on a frictionless track. To find the acceleration of both carts as one system, which relationship fits?
A probe has mass m on a planet with gravitational field strength g_planet. Which relationship gives its weight there?
A 1500 kg car traveling +24 m/s brakes uniformly to 0 m/s in 6.0 s. What is the net force? Take forward as positive.
A 25 kg crate is pushed with 90 N to the right on a level floor where μ_k = 0.20. Using g = 9.8 m/s², what is the acceleration?
A 0.80 kg toy car moves in a circle of radius 1.5 m at 6.0 m/s. What inward force is required?
A rope lifts an 18 kg package straight upward with a 220 N force. Using g = 9.8 m/s², what is the package's acceleration?
On Earth, a cart's weight is 490 N. A horizontal net force of 150 N acts on it. Using g = 9.8 m/s², what is its acceleration?
A 12 kg block slides down a 30° incline. Kinetic friction is 20 N up the slope. Using g = 9.8 m/s², what is its acceleration along the slope?
A 4.0 kg cart and a 6.0 kg cart are linked on a level track. A 50 N pull acts on the pair, and total rolling friction is 10 N. What is their acceleration?
A 40 kg crate at rest on a level floor has μ_s = 0.55. A student pushes horizontally with 180 N. Using g = 9.8 m/s², what is the acceleration?
A lab cart experiences the same net force after its mass is doubled. How does its acceleration change?
A puck moves in a circle with the same mass and radius, but its speed is doubled. What happens to the required centripetal force?
A sliding box stays on the same level surface, but a second identical box is stacked on it so the normal force doubles. What happens to kinetic friction?
An astronaut takes the same tool to a moon where the gravitational field strength is smaller than Earth's. What changes?
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Newton's Law of Universal Gravitation
30 questions
