An elevator of mass 500 kg descends with an acceleration of 2 m/s^2 for a distance of 12 metres. What is the work done by the force of the earth's acceleration? -Elevator cable Cab K
Q: What is the work done by the force F? F S1 S2 O Fs None of the above Zero O-Fs
A: Given data: A force F, towards upward direction The object traveled a distance s Angle between…
Q: Problem 1 Cat Lift 2mg Three ropes are attached to the center of a box that has mass m and is being…
A: The weight of the box will always act in the downward direction. a) Calculate the vertical component…
Q: A 1.5 kg hockey puck initially moving at 4.9 m/s slides 12 m along the ice before coming to rest.…
A:
Q: Two balls, A and B, of mass m and 2m respectively are carried to height h at constant velocity, but…
A: The net force acting on an object is equal to the product of mass and acceleration of the object. If…
Q: The work done by a fielder when he takes a catch in a cricket match, is negative. Explain.
A: Write the expression for the work done.
Q: body of mass 2 Kg, initially at rest, moves under the influence of an external force of magnitude 4…
A: Given: mass = 2 kg F = 4 N t = 10 seconds
Q: 1. A cord is used to lower vertically a block of mass M a distance d at a constant downward…
A: Given data: Mass of box, m=5.6 kg Distance, d=12 m Coefficient of kinetic friction, μk=0.20 Mass of…
Q: 1. Suppose a farmer binding a part of the rice terraces wants to bring two 100-kg sack of fertilizer…
A: Ans:- Image-1
Q: A cable pulls an 382 kg safe up a slope inclined at 10°, for 31 m on an very slippery oily surface.…
A:
Q: A block of mass m = 1 kg is sliding on a horizontal surface with initial velocity vo = 2 m/s. The…
A: Solution: Given: m = mass of block = 1 kg v0 = speed of block = 2ms s = distance in which block is…
Q: 4. You lift your pet cat vertically by 2.0 m, and then you lower it vertically by 2.0 m. During this…
A:
Q: Is work done whenever a force is exerted? Explain.
A: Force F is applied to body to displace it from one position to another position, then work done on a…
Q: A 75-kg man is carrying a 50-kg crate as he ascends to the sixth floor of a building through an…
A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: An elevator of mass 700 kg descends with an acceleration of 3 m/s^2 over a distance of 12 metres.…
A: Given that :Mass of elevator, m=700 kgAcceleration downward, a=3 m/s2Distance, d=12 m
Q: A box of canned goods, contents have a total mass of 4.5 kg, is pushed 2 m along the floor by a…
A:
Q: 1. A block of mass m-10 kg is pushed a distance S=5 m along a frictionless incline to raise it a…
A:
Q: 1. A man is pulling a suitcase of mass 20 kg along a rough horizontal floor at constant velocity.…
A: The suitcase of mass 20 kg is being pulled by the man across the rough horizontal surface. The force…
Q: What is the work done by gravity on the cart from its initial position to when it reaches the bottom…
A: Given: What is the work done by gravity on the cart from its initial position to when it reaches the…
Q: lorce is applied to push a block across a frictional surface at constant speed for a displacement of…
A: Applied force, Fapp = 23 N Frictional force, Ffrict = 23 N Normal force, Fnorm = 20 N Gravity force,…
Q: A cable pulls an 254 kg safe up a slope inclined at 20°, for 32 m on an very slippery oily surface.…
A:
Q: An elevator is lifted by its cables at a constant speed. Is the total work done on the elevator…
A: If the elevator lifted by cables on the elevator two forces are acting 1) gravitational force…
Q: A person pushes a large box with a mass of 70 kg across a horizontal floor as shown in Figure 3. The…
A: Work done by a force(F) for moving a object distance(s) is given by: W=F.s cos(x) x= Angle between…
Q: To clean a floor, a janitor pushes on a mop handle with a force of 50.0N.(a) If the mop handle is at…
A:
Q: Identify a case where an object is moving over a surface with friction, but the frictional force…
A: When the object moves in a pure rolling motion, the work done by the friction will be zero.
Q: A man cleaning a floor pulls a vacuum cleaner with a force of magnitude 60 N at an angle 45° with…
A: Work done: A force exerted on the body and total displacement of the body gives work done. Work is…
Q: A 3 kg block is pushed 3 m up a 30° incline by a 50 N force aligned parallel to the ramp. The…
A:
Q: Cite an example wherein force exerted on a body does no work. Explain.
A: Work done is defined as the product of force, displacement and cosine of angle between force and…
Q: In which of these situations is work being done? A B C D You sit in a chair reading your textbook.…
A: Solution: Given: In which of these situations is work being done? A. You sit in a chair reading your…
Q: 4. A 4.7 kg block is pushed 3.1 m up a vertical wall with constant speed by a constant force of…
A:
Q: A 5 kg ball is shot straight up with an initial speed of 20 m/s . When the ball reaches height 10 m,…
A:
Q: Describe a situation in which a force is exerted for a long time but does no work. Explain.
A: We consider a situation when an object lifted at height h is displaced a distance x.
Q: Give an example of a situation in which there is a force and a displacement, but the force does no…
A: Work is a dot product of force acting on an object and the displacement due to the applied force in…
Q: A 28 kg block is pushed 14.5 m up the sloping surface of a plane inclined at an angle of 27 degrees…
A:
Q: A crate is pulled across a horizontal floor by a rope. At the same time, the crate pulls back on the…
A: According to the Newton’s third law of motion, every action has equal and opposite reaction.
Q: The net horizontal force on a box F as a function of the horizontal position x is shown below.…
A: Ans:- Image-1
Q: A block of mass m = 2.00 kg is pushed a distance d = 7.80 m along a frictionless, horizontal table…
A: a)Work done applied force is,
Q: Jane and Madison, push against a wall. Jane stops after 10 min, while Madison is able to push for…
A: Given data The time taken by Jane to push the wall is tj = 10 min. The time taken by the madison to…
Q: An elevator is hoisted by its cables at constant speed. Is the total work done on the elevator…
A: It is given that the elevator moves with constant speed or moves with constant velocity. The force…
Q: QUESTION: From ground level, you toss a 20 N marble vertically into the air. You notice that it is…
A:
Step by step
Solved in 2 steps