Calculate the force produced during a pushup for the following person: Mass of person = 58.9kg arm length = 0.58m height = 1.6m angle between foot and floor = 25.5degrees length (foot - shoulder) = 1.35m

Q: Junry pulls his wife, who’s mass is 50 kg and who is sitting on a swing with rope of length 5 m,…

A: Mass: m = 50 kg Length of rope: l = 5m Initial speed : u = 0 m/s Initial angle: θ1 = 50o  Final…

Q: A 0.55-kg croquet ball is initially at rest on the grass. When the ball is struck by a mallet, the…

A: Given:Mass of the ball, m = 0.55 kgAverage Force on the ball, F = 270 NInitial velocity of the ball,…

Q: A small stone of mass m = 1kg is stuck at the front of mass M = 10kg at height h = 1m. The…

A:

Q: A projectile of mass m = 1.5 kg is fired from the origin under an angle 0 = 45° with the horizontal,…

A:

Q: A 43.0-kg child swings in a swing supported by two chains, each 2.96 m long. The tension in each…

A: a) The radial force Fc is, Fc=mv2r The tension in the chain is T is,…

Q: During a construction project, a 2500 N object is lifted high above the ground. It is released and…

A: Given:  Weight of object, W = 2500 N  mass, m = 2500 / 10 = 250 kg height from which it falls, h =…

Q: A 35.0-kg child swings in a swing supported by two chains, each 2.98 m long. The tension in each…

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Q: A 400-N weight starts down the incline of 30o with the horizontal with an initial velocity of 4m/s.…

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Q: During the pitching motion, a baseball pitcher exerted an average horizontal force of 60 N against…

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Q: A projectile is fired with initial Speed vo feet per second from a height h feet at an angle of 0…

A: An object is said to be in projectile motion , if in the entire motion , the only force acting is…

Q: A 35.0-kg child swings in a swing supported by two chains, each 3.02 m long. The tension in each…

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Q: = 75 N for a distance Ax = 2 m along a (mostly) A hand pushes block A (ma =3 kg) with a constant…

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Q: Estimate the average force exerted by a shot-putter on a 7.0-kg shot if the shot is moved through a…

A: Using kinematics, acceleration of the shot put can be obtained as

Q: 7. The 20-kg crate is subjected to a force having a constant direction and a magnitude F = 100 N.…

A:

Q: 2. A 6.0-kg block initially at rest is pulled to the right along a horizontal surface by a constant…

A: Given value--- mass = 6 kg. Force = 12 N. distance = 3 m. coefficient of kinetic friction = 0.15 .…

Q: A 80.0 kg diver falls from rest into a swimming pool from a height of 5.50 m. It takes 1.84 s for…

A: Mass of diver (M) = 80kg  Height of diver from pool = 5.50 m  Time taken by diver to stop inside…

Q: A force of 15N acts on a body of mass 2kg. Calculate the acceleration produced. A 7.5 ms 2 B 30 ms 2…

A: Given data,        Force  =   F        Mass   =  m      To find,          Acceleration

Q: The man jumps from the window of a burning hotel and lands in a safety net that stops him fall in…

A: The guy enters the net at velocity u=27m/s. the net stops him from falling in 0.5m i.e., the guy…

Q: A constant force of 8.0 N is exerted for 4.0 s on a 16-kg object initially at rest. The change in…

A:

Q: Two cubes are placed in contact on a surface, one of mass 2M and the other of mass 3M as shown in…

A: Given data:  M = 1.0 kg One mass is 2M and other is 3M Coefficient of kinetic friction (μk) = 0.25…

Q: A tennis ball is coming towards you with a speed of 40 m/s. You hit the ball (mass = 0.06kg) and it…

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Q: Determine the velocity in ft/s of the 7-lb block when t = 3 s if the block has a speed of 11 ft/s…

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Q: m resting on a 20° slope. The block has coefficients of friction μs = 0.64 and μk = 0.54 with the…

A: Givenθ=20°μs=0.64μk=0.54Mass of hanging, m=2 kg

Q: A 41.0-kg child swings in a swing supported by two chains, each 3.04 m long. The tension in each…

A: (a) the net force on the lowest point is given by,mac=2T-mg ......(1)where, m=mass of the…

Q: A deep space probe of mass 4.55 x104kg  is travelling at an initial speed of 1.22 x104m/s. The…

A: Given value--- mass = 4.55 × 104 kg. initial speed = 1.22 × 104 m/s. force = 3.85 × 105 N. distance…

Q: A 4.2 kg particle moving along the x-axis is acted upon by the force whose functional form appears…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…

A: Given,

Q: A 9.9-kilogram cart initially at rest on a floor is acted on by a net horizontal force of 25.1…

A: Given data: Mass of cart is, m=9.9 kg. Initial speed of cart is, u=0 m/s        (As cart was…

Q: A 5 kg object under the influence of a varying force F as shown in figure. If the object start from…

A: Calculate the work done from x=0 to x= 8m.

Q: A 10 N of force is applied to a toy car and toy car accelerates to 2m/s^2. If 20 N of the force is…

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Q: An office worker smacks a table, bringing his hand to rest in 0.0025 seconds from an initial speed…

A: Given data: Time (t) = 0.0025 s Initial velocity (v0) = 4.00 m/s Final velocity (v) = 0 m/s Mass (m)…

Q: It requires a force of 100 N to stretch a spring of negligible mass by a distance of 0.1 m. If the…

A: According to Hooke’s law, the relationship between the applied force F and the stretch x (the…

Q: A baseball (m=145g)(m=145g) traveling 40 m/sm/s moves a fielder's glove backward 27 cmcm when the…

A: It is given that

Q: A boxer moves into the punch so as to decrease the duration of impact by half,by how much will the…

A: How does the force change by reducing the impact time to half.

Q: An electron with a speed of 1.0 x 107 m/s moves horizontally into a region where a constant vertical…

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Q: an object of mass 0.77 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a…

A: According to impulse-momentum theorem, Here, J and Δp represent the impulse and the change in…

Q: 24. A block of mass 5.0 kg is released from rest from the top of an inclined plane at an angle of…

A: Given information Mass of the block m = 5.0 kg Initial speed of the block u = 0 (as it starts…

Q: 2. After the box in the figure has moved 3 meters from rest, the constant force P = 600 N is…

A:

Q: A 4768-kg roller coaster train full of riders approaches the loading dock at a speed of 17.1 m/s. It…

A: Consider the retarding force be F, that is, applied against the motion of the roller coaster train.…

Q: A 35.0-kg child swings in a swing supported by two chains, each 2.96 m long. The tension in each…

A: The lowest point of the swing is the equilibrium point, so the condition for equilibrium of the…

Q: Clr in a kayak throws a 3,5-kg package out horizontally with a speed of 10.0 m/s. The mass of the…

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Q: Some salvage divers are raising a rectangular box of treasure measuring1m × 1.3m × 1.9m from the…

A: Analyze the free body diagram of the given system. Here, T, Fb and W represent the tension force in…

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: