A 12 kg block rests on a frictionless ramp. Take g = 9.8 m/s², axes along and perpendicular to the surface, and down the slope as positive. What is the component of the block's weight along the slope?

A 25 kg box is held at rest on a frictionless incline. Take g = 9.8 m/s², axes along and perpendicular to the surface, and down the slope as positive. What is the weight component parallel to the ramp?

A 6.0 kg block sits on a smooth ramp. Take g = 9.8 m/s², axes along and perpendicular to the surface, and down the slope as positive. What is the component of its weight along the ramp?

An 18 kg crate is on a frictionless ramp. Take g = 9.8 m/s², axes along and perpendicular to the surface, and down the slope as positive. What is the component of the crate's weight parallel to the ramp?

A 50 kg sled rests on a low-friction ramp. Take g = 9.8 m/s², axes along and perpendicular to the surface, and down the slope as positive. What is the component of weight along the slope?

A 9.0 kg box rests on a ramp with no acceleration perpendicular to the surface. Take g = 9.8 m/s² and axes along and perpendicular to the surface. What is the magnitude of the normal force?

A 14 kg crate rests on an incline. Take g = 9.8 m/s² and use axes along and perpendicular to the surface. What is the magnitude of the normal force exerted by the ramp?

A 22 kg block is at rest on a ramp. Take g = 9.8 m/s² and use axes along and perpendicular to the surface. What is the size of the normal force on the block?

A 5.0 kg box rests on a steep ramp. Take g = 9.8 m/s² and use axes along and perpendicular to the surface. What is the magnitude of the normal force?

A 10 kg crate slides down a rough ramp with μk = 0.20. Take g = 9.8 m/s², axes along and perpendicular to the surface, and down the slope as positive. What is the crate's acceleration?

A 12 kg box slides down a ramp with μk = 0.15. Take g = 9.8 m/s², axes along and perpendicular to the surface, and down the slope as positive. What is its acceleration?

A 20 kg sled slides down a rough incline with μk = 0.25. Take g = 9.8 m/s², axes along and perpendicular to the surface, and down the slope as positive. What is the sled's acceleration?

An 8.0 kg crate slides down an incline with μk = 0.30. Take g = 9.8 m/s², axes along and perpendicular to the surface, and down the slope as positive. What is the acceleration?

A 15 kg block slides down a ramp with μk = 0.10. Take g = 9.8 m/s², axes along and perpendicular to the surface, and down the slope as positive. What is the block's acceleration?

A ramp is slowly tilted from horizontal toward a steeper angle. What happens to the component of a block's weight down the ramp?

Before a block begins to slide, a ramp under it is slowly raised to a larger angle. What happens to the normal force on the block?

For a block on a horizontal surface, treated as an incline with θ = 0°, what are the weight components parallel and perpendicular to the surface?

If an incline were tilted to θ = 90° like a vertical wall, what would the component of weight along the surface be?

A crate slides down a rough ramp. Which force in its free-body diagram acts up the slope?

With down the slope positive, which expression gives the acceleration of a block sliding down a ramp at angle θ with coefficient of kinetic friction μk?