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10 cards from this deck
Weight = mass × gravity (W=m×gW = m \times gW=m×g)
The lever is held at an angle of 303030 degrees.
The force FFF is horizontal and applied at the lever's end.
Clockwise moments are taken as positive about the pivot.
F=49.3 N⋅sin(30°)⋅0.75cos(30°)⋅1.5F = \frac{49.3 \text{ N} \cdot \sin(30°) \cdot 0.75}{\cos(30°) \cdot 1.5}F=cos(30°)⋅1.549.3 N⋅sin(30°)⋅0.75
F=mass×accelerationF = \text{mass} \times \text{acceleration}F=mass×acceleration (F=m×aF = m \times aF=m×a)
They visualise forces to aid in solving motion problems.
Weight, normal reaction, and friction forces.
Sum of horizontal and vertical forces must equal zero.
Friction must prevent slipping while acting against forces.
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