As a simple pendulum swings back and forth, the forces acting on the suspended object are (a) the gravitational force, (b) the tension in the supporting cord, and (c) air resistance. Which of these forces, if any, does no work on the pendulum at any time?

Q: The figure shows a box of mass m = 5.50 kg pulled to the right across a horizontal surface by a…

A: The work done due to tension force is,

Q: In the figure, a 0.23 kg block of cheese lies on the floor of a 880 kg elevator cab that is being…

A:

Q: A 668 g block is released from rest at height h0 above a vertical spring with spring constant k =…

A: Conservation of mechanical energy, loss in gravitations energy=gain in elastic potential energy.…

Q: A 4.8 kg body is at rest on a frictionless horizontal air track when a constant horizontal force F…

A: We will answer this question using kinematic equation of motion, Newton's equation of motion and…

Q: (a) At a certain instant, a particle-like object is acted on by a force F = (5.80 N ) - (3.60 N ) ĵĴ…

A:

Q: A 15 kg box is being pushed 4.0 m along a rough horizontal surface at a constant velocity by a…

A: Given: The mass of the box: m=15 kg Distance moved: D=4.0 m Applied force: Force: F=25 N

Q: A 313 kg crate hangs from the end of a rope of length L = 10.6 m. You push horizontally on the crate…

A: According to the given condition,  we have to hold the crate in the final situation, hence F ( force…

Q: mine the work done by the force F = (3.80xi +2.60y

A:

Q: A 20-kg block on a horizontal frictional surface (coefficient of friction=0.2) is attached to a…

A:

Q: A 50 kg trunk is pushed 6.0 meters at constant speed up a 30 degree incline by a constant horizontal…

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Q: A slingshot consists of a light leather cup containing a stone. The cup is pulled back against two…

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Q: A person pushes a 12.9-kg shopping cart at a constant velocity for a distance of 26.9 m on a flat…

A:

Q: Awater-skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle…

A: We have, Mass, m = 81 Kg Initial speed u = 6.5 m/s Final speed, v = 10.1 m/s

Q: In Figure, a chain is held on a frictionless table with one third of its length hanging over the…

A:

Q: A person drags a box across a floor by applying a horizontal force of 10 N. The kinetic frictional…

A: Given: The applied force is F=10 N. The frictional force is Ff=4 N. The displacement is d=0.5 m.…

Q: As shown in the figure, the package of mass m = 3.00 kg initially resting at x = 0 on a roller belt…

A: Mass of the package is 3.00 kg

Q: A pendulum with L = 7.0 m suspends a 5.0 kg ball.  The ball is pulled aside to angle θ0=30° and…

A: Wgravity=mgL-Lcosθ=mgL1-cosθ

Q: Starting from rest, a 5.40-kg block slides 1.90 m down a rough 30.0° incline. The coefficient of…

A: a) The required work done by force of gravity is,

Q: A 2.3 kg mass is initially at rest upon a horizontal surface. It is then acted upon by an applied…

A:

Q: In the figure, a 0.24 kg block of cheese lies on the floor of a 970 kg d₁ = 3.0 m and then through…

A:

Q: A 58.6-kg box is being pushed a distance of 7.05 m across the floor by a force P whose magnitude is…

A:

Q: A box that is initially in motion and of mass m = 10.0 kg is pushed across the fl distance d = 7.00…

A: Given:- The mass  of the block m = 10 kg  The distance d = 7.0 m  The applied force F = 40 N at the…

Q: I am riding an elevator that has a constant upward acceleration while the elevator travels upwards a…

A:

Q: Fis A 4.8 kg body is at rest on a frictionless horizontal air track when a constant horizontal force…

A: Given   mass of the body m=4.8kg  initial speed of the body u=0m/s

Q: An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and…

A: (given)       Mass of an asteroid = 4.5×104 kg Initial speed of asteroid = 7400 m/s  Final speed of…

Q: As shown in the figure, a 0.570 kg object is pushed against a horizontal spring of negligible mass…

A: To solve this problem, we need to apply the law of conservation of mechanical energy, which states…

Q: In the figure, a 0.25 kg block of cheese lies on the floor of a 900 kg elevator cab that is being…

A:

Q: (a) At a certain instant, a particle-like object is acted on by a force F = (5.20 N)? – (1.90 N) +…

A: Given data The force acted on the particle is given as F→=5.20 Ni^-1.90 Nj^+7.80 Nk^. The velocity…

Q: Starting from rest, a 4.2-kg block slides 2.20 m down a rough 30.0° incline. The coefficient of…

A: Given Data: The mass of  a block is, m=4.2 kg The distance at which box slides is, d=2.20 m The…

Q: wo blocks are connected by a very light string passing over a massless and frictionless pulley.…

A:

Q: An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and…

A: Given:        Mass of Asteroid is given as,                m= 4.7×104 kg      Initial speed of…

Q: A cord is used to vertically lower an initially stationary block of mass M = 1.9 kg at a constant…

A:

Q: A 54-kg box is being pushed a distance of 7.2 m across the floor by a force  whose magnitude is 167…

A: The work done due to weight of the body is W=F·d=mgdcosθ=mgdcos90∘=0 J

Q: A 56.4-kg box is being pushed a distance of 7.11 m across the floor by a force P whose magnitude is…

A:

Q: A cord is used to vertically lower an initially stationary block of mass M = 13 kg at a constant…

A:

Q: As shown in the figure, a 0.490kg object is pushed against a horizontal spring of negligible mass…

A:

Q: An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and…

A: Initial speed (u) = 7100 m/s Final speed (V) = 4900 m/s Mass = 48000 Kg distance = 2000000 m   a)…

Q: A water-skier is being pulled by a tow rope attached to a boat. As the driver pushes the throttle…

A: Given :- mass of water skier = 61.2 kg initial velocity = 5.1m/s speed increases to 12.1 m/s

Q: As a simple pendulum swings back and forth, the forces acting on the suspended object are the…

A: In this question, we have been asked that which of the forces act on pendulum and which of these…

Q: A cord is used to vertically lower an initially stationary block of mass M = 8.5 kg at a constant…

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

Q: A block of mass m = 4.00 kg is pushed a distance d = 2.50 m along a frictionless horizontal table by…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: A 58 kg rollerblader skates across a skating rink floor. The graph below shows the net external…

A: Given: The mass of the rollerblade skate is 58 kg. Introduction: The area under the force and…

Q: A block of mass m = 2.80 kg is pushed a distance d = 5.40 m along a frictionless, horizontal table…

A:

Q: A 40.5 kg box initially at rest is pushed 4.40 m along a rough, horizontal floor with a constant…

A: (d). the work done by the gravitational force is zero. Because the gravitational force on the box…

Q: 5.8 kg body is at rest on a frictionless horizontal air track when a constant horizontal force F…

A: From the given image, We see that the interval between the marks is 0.2 m and it is divided in 5…