A load moving right comes to rest. Stopping force points left, opposite travel.
Enter initial speed v₀, final v₁=0, stopping time t and mass m.
Moving mass m
10 kg
Initial velocity v₀
1 m/s
Final velocity v₁
0 m/s
Acceleration time t
0.5 s
Negative a and F mean the opposite direction, not an error. Stopping displacement can still be positive.
Acceleration a
-2 m/s²
Net acceleration force (signed)
-20 N
Displacement (signed)
0.25 m
Blue marks inputs; orange marks outputs. These diagrams explain the fixed example below; dimensions and deformation are not drawn to physical scale.
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2. Example inputs
Moving mass mWhat goes here?
This is mass, including fixtures or loads that move with it where required. Kilograms describe mass; newtons describe force.
10 kg
Initial velocity v₀What goes here?
Distance travelled per time. Check whether the field asks for initial, final or constant speed.
1 m/s
Final velocity v₁What goes here?
Distance travelled per time. Check whether the field asks for initial, final or constant speed.
0 m/s
Acceleration time tWhat goes here?
Duration of this phase or operation. Distinguish one-way from round-trip time and running from dwell.
0.5 s
These are fixed teaching inputs. Coefficients, properties and comparison limits are not recommendations. Enter your conditions in the calculator.
3. Results for this example
Acceleration a
-2 m/s²
Net acceleration force (signed)
-20 N
Displacement (signed)
0.25 m
With final velocity zero, acceleration and force are negative, opposite the initial travel direction. The example assumes constant deceleration and excludes resistance and mechanism losses.
4. Which formula is used?
a = (v₁−v₀)/t, F = ma, s = (v₀+v₁)t/2
Table units are not always the units required in the formula. The calculator converts selected units to its internal base units before computing.
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Assumptions and exclusions
Straight-line constant acceleration with signed velocities. Force is net acceleration force, excluding friction, slope, gravity, rotational inertia and drive efficiency.
