a cart of weight 10N is pulled 1.2m up a ramp by an applied force of magnitude 5.0N (parallel to the ramp) . raising the cart 0.50m above its initial level. Calculate. percent efficiency of the work.
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Given conditions ⇒
Mass = 2 kg.
Distance travelled upwards = 10 m.
Acceleration due to gravity = 9.8 m/s².
Using the Formula,
Work = Force × displacement.
∴ Work done = 2 × 9.8 × 10
⇒ Work done = 196 J.
Hence, the Work done to life the mass of 2 kg to a height of 10 m is 196 J.
Hope it helps.
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