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by BlastRoom
Identify force types and match situations to free-body diagrams.
#physics
40 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
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Answer to earn energy, then climb.
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Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
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Answer, then tap to leap the frozen ridge.
The diagram shows every force acting on a crate. Right is positive. Which situation does this diagram represent?
The diagram shows every force on a box. Right is positive. Which situation is represented?
The diagram shows every force on a puck moving to the right on a level surface. Right is positive. Which situation matches it?
The diagram shows every force on a sign. Up is positive. Which situation does it represent?
The diagram shows every force on a person in an elevator. Up is positive. Which situation is represented?
The diagram shows every force on a skydiver moving downward. Up is positive. Which situation does it represent?
The diagram shows every force on a block on a rough ramp. Up the ramp is positive. Which situation matches it?
The diagram shows every force on a box pulled by a rope on a level floor. Right is positive. Which situation is represented?
The diagram shows every force on a car at one instant. Left is toward the center of the curve. Which situation does it represent?
The diagram shows every force on a cart on a level track. Right is positive. Which situation matches it?
The diagram shows every force on a book pressed against a vertical wall. Right is positive. Which situation is represented?
The diagram shows every force on a 5.0 kg mass hanging from a vertical cord. Take g = 9.8 m/s². Which situation matches it?
A loaded sled is pulled across level snow at a steady speed by a horizontal rope. The diagram shows only three forces on the sled. Which force is missing?
A block is at rest on a level floor while a hand pushes it horizontally. The diagram leaves out one force on the block. Which force is missing?
A 3.0 kg ball hangs motionless from a vertical string. Take g = 9.8 m/s². The diagram shows only one force on the ball. Which force is missing?
A block slides down a rough 30° ramp. Up the ramp is positive. The diagram shows only two forces on the block. Which force is missing?
A steel paper clip hangs motionless from the underside of a magnet. The diagram leaves out one force on the clip. Which force is missing?
A soccer ball is falling downward after being kicked, and the air affects its motion. The diagram shows only one force. Which force on the ball is missing?
A cart on a nearly frictionless track is pulled by two horizontal ropes and is moving at steady speed. The diagram leaves out one force. Which is missing?
A box rests on a rough ramp while a rope pulls it up the ramp. Up the ramp is positive. The diagram has three forces. Which force is missing?
A block floats motionless in water. The diagram shows only one force on the block. Which force is missing?
A gloved hand pushes a puck right across rough ice at steady speed. The diagram leaves out one force on the puck. Which is missing?
A cart rolls right across a level floor after a short push; the hand is no longer touching it. Which arrow in the student's diagram is not a real force on the cart?
A car rounds a level curve, and the center of the curve is to the left. Which arrow in the student's diagram is not a real force on the car?
A box sits at rest on a level table. Which arrow in the student's diagram does not stand for a force exerted by another object on the box?
A book rests on a table. Which arrow in the student's diagram is placed on the wrong body?
A ball is moving upward after leaving a student's hand. Air resistance is small but not zero. Which arrow in the student's diagram is not a force on the ball now?
A satellite moves around Earth. The diagram is meant to show forces on the satellite at one point in its path. Which arrow is not a real interaction?
A crate is dragged right across a rough floor by a rope. Which arrow in the student's diagram should not be included?
A bucket is at the top of a vertical circle while attached to a string. Which arrow in the student's diagram is not a real force on the bucket?
A hardback book lies still on a wooden shelf. Which force acting on the book is a non-contact force?
A rope pulls a sled forward across level snow. What type of force does the rope exert on the sled?
A crate slides across a concrete floor while the two surfaces rub past each other. Which force from the floor acts opposite the sliding?
A heavy box does not move even though a student pushes sideways on it. Which force from the floor can prevent the slipping before it starts?
A lab table pushes upward on a resting textbook. What is the name of this perpendicular contact force?
A stretched spring pulls a cart back toward the spring's relaxed length. What type of force does the spring exert?
A cyclist coasts forward, and the air exerts a backward force on the cyclist. What force is this?
A child pushes a wagon handle forward. What type of force does the child exert on the wagon?
A magnet pulls a steel paper clip upward without touching it. Which force acts on the clip?
A backpack has a mass of 6.0 kg, and Earth pulls on it with a force measured in newtons. What is that force called?
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30 questions
