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Q: In the figure, the rock weighs 130 lb and is lifted 1 ft by the lever. F Fulcrum 3F 3d (a) How much…

A: Given data: a)Force F=130lb    Distance d=1 ft b) Distance d=3 ft

Q: A chain of length 4 m is kept on a table. 2 m of the chain hangs freely from the table’s edge. The…

A: Given: length = 4 m table = 2 m mass of the whole chain = 8 kg

Q: You apply a constant force of (31 N)i - (31 N)j to a loaded supermarket pushcart as it undergoes a…

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Q: How much work is done by the boy pulling his sister 33 m in a wagon as shown in the figure below?…

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Q: Determine the amount of work, in Joules, done to lift a 500 kilogram piano 4 meters above the…

A: Mass of paino(m) = 500 kgHeight above ground (h) = 4mLinear mass density of cable = 5 kg/mLength of…

Q: A 15 kg block sits on a horizontal lever 25 cm from the fulcrum as shown. You push down on the other…

A: Considering the equilibrium situation, balancing of torques.

Q: How much work must be done to stop a 1300-kg car traveling at 112 km/h? (Hint: You will need to…

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Q: Calculate the work done by a 40 N force pushing a 0.5 kg toy 2.3 m.

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Q: A projectile is fired with a speed of 15m/s at an angle of elevation of 30deg above the horizontal.…

A: Given: Initial velocity of projectile (u) = 15 m/s. Projectile angle = 30 degree

Q: A force of 90N is required to keep a spring stretched 5m from the equilibrium position. How much…

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Q: How much work is done by the boy pulling his sister 29.0 m in a wagon as shown below? Assume no…

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Q: An automobile is pushed 14 ft by a woman exerting 117 lb of force horizontally on the vehicle. How…

A: Given data, Force applied F=117 lb Displacement d=14 ft

Q: How much work must be done to stop a 900-kg car traveling at 108 km/h? (Hint: You will need to…

A: Given data:  Mass (m) = 900 kg Initial velocity (u) = 108 km/h Final velocity (v) = 0 m/s Required:…