A 5-kN bear slides down an ice slide without friction. If the slide makes an angle of 37° with the ground, calculate the accelerating force on the polar bear?

Q: In the figure provided, a crate of mass m sits at rest on a 20° ramp and is connected to another…

A: When the mass is slightly nudged, acceleration is zero.The value of the attached mass is,

Q: a flat,horizo

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Q: The parachute on a race car of weight 8 820 N opens at the end of a quarter-mile run when the car is…

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Q: A student pushes a 40 kg box with a force of 50 N at an angle of 60 degrees above the horizontal. If…

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Q: A box rests on the (horizontal) back of a truck. The coefficient of static friction between the box…

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Q: A 5 kg box slides down an incline of 30 degrees from rest. The coefficient of kinetic friction for…

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Q: You are pulling a 32 kg dresser up a ramp (inclined at an angle of 22 degrees) with an acceleration…

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Q: Ignoring drag, what is the x-component of the acceleration of a projectile? Why

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Q: Suppose a 74 kg sprinter, starting from rest, runs the first 9 m in 3 seconds at constant…

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Q: A horizontal rope is attached from a truck to a 1466-kg car. As the truck tows the car on a…

A: Mass of the car,  Maximum allowable tension,

Q: A 20-kg object dropped in the air has a terminal speed of 60 m/s, what was its acceleration at 30…

A: At terminal velocity, the net force on the object is zero. Fnet = 0W = Fdmg = kvterminal…

Q: Two boxes of fruit on a frictionless horizontal surface are con- nected by a light string as in…

A: The below figure represents the free body diagram of the blocks .

Q: Two blocks are positioned on surfaces, each inclined at the same angle of 49.2 degrees with respect…

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Q: Consider a person standing on a scale in an elevator. If the elevator accelerates upwards with an…

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Q: At the end of a roller coaster ride, the cars must slow to a stop, but the magnitude of the…

A: The magnitude of the maximum allowable force goes to completely stop the cars of the roller coaster…

Q: (optional) A skydiver is weighted 72.7 kg, together with his parachute. The acceleration of gravity…

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Q: Two packing crates of masses m1 = 10.0 kg and m2 = 5.60 kg are connected by a light string that…

A: Let T and a are the tension and the acceleration of both mass.Consider the FBD of both mass below.

Q: onsider a person standing on a scale in an elevator. If the elevator accelerates upwards with an…

A: Mass of the person is m = 98.1 kg Acceleration due to gravity is g = 9.8 m/s2 and it acts in the…

Q: An airplane with mass 15,000 kg is being towed on a runway by two trucks, each located +/- 50…

A:

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: