When a force is perpendicular to the displacement, work is Positive O Negative O Zero O Cannot be determined
Q: Consider a situation where a constant force of 25 N acts on an object having a mass of 2 kg for 3…
A: Given Data: Constant Force F=25 N Mass of object M=2 kg Duration of force t=3 sec
Q: If the signs are reversed, why would there still be negative work when the positive and negative…
A: when sign of the charges are reversed -Q becomes +Q, -Q becomes +Q +Q becomes -Q
Q: You are trying to move a crate with mass 22 kg from A to B onsite. You don't know the value of h,…
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Q: Problem 3: The force F = (6.55 N)i + (5.79 N)j acts on a particle as it moves along a straight line…
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Q: The work done against gravity in taking 5000 grams mass at 39.37 inches height in 1 sec will be
A: Work done is required to pull up a mass of m kg in height 'h' is= mgh Here, g=gravitational constant…
Q: How much work does a supermarket checkout attendant do on a can of soup he pushes 0.430 m…
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Q: A force (3x'i • 2y'i) N acts on an object as the object moves in the x-direction from the origin to…
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Q: If a force acts perpendicular to the direction of motion of a body, what is the amount of work done?…
A: C is correct
Q: Gravitational force is an example of a non-conservative force. Select one: O True O False A force…
A: Introduction: Gravitational force is conservative in nature because the work done in moving a body…
Q: A force is called a conservative force if: a) The work done by the force is independent of the path.…
A: Forces are classified as conservative forces and non-conservative forces. A force is defined as…
Q: The SI unit of both energy and work are similar. Select one: O True False
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Q: +29 a -29 +29 +29 -29 +29 1. 2. a = 2mm k. = 9. 10° () (Nm² q = 3µC Find the work to be done against…
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Q: the work done is" O negative zero O positive could be positive or negative
A: The work done will be negative.Option 1 is right.
Q: Two persons were practicing social distancing to alleviate the spread of COVID-19. Social distancing…
A: Given, m1=60kgm2=68 kgr1=3 feet = 0.9144mr2=12 inches =0.3048m
Q: What is speed? Force x distance minus acceleration
A: Answer B) The distance an object moves over time Reason
Q: What is the difference between when work is done by a system and when work is done on a system
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Q: Calculate the work done if a particle is moved along a path AB−BC−CD−DE−EF−FA, as shown in the…
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Q: If a force acting on an object has a component in the opposite direction to which the object moves,…
A: Required : If the work done is positive, negative or zero.
Q: Calculate the work done by the force F→ when the car moves from x = 0 to x = 3.0 m. Calculate the…
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Q: The work done by a force acting normally to the direction of the displacement of theobject is(a)…
A: Work done on an object along given direction of motion is equal to the force times the displacement…
Q: O False
A: work done by conservative force is zero in only close path
Q: can a potential energy be negative? or it should always be positive?
A: Potential energy can be positive , zero or negative . It is a relative term which depends on…
Q: The work done by kinetic friction is: A) always negative B) always positive C)…
A: Work is defined by the relationWork=Force×displacementForce and displacement, both are vector…
Q: Problem 6: A toy cart is pulled a distance of 6.2 m in a straight line across the floor. The pulling…
A: Given data :- Displacement (along the floor) d = 6.2 m Pulling force Fp = 19.2 N Angle θ between…
Q: Lli 5 In unloading grain from the hold of a ship, an elevator lifts the grain through a distance of…
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Q: The figure shows a force field F. 10 B
A: The work done by a force is the product of the displacement and the component of the applied force…
Q: 17) Under the influence of a fore, an object of mass 4 kg accelerates from 3 m/s to 6 m/s in 8…
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Q: o persons were practicing social distancing to alleviate the spread of COVID-19. Social distancing…
A: Given Mass m1 = 60 kg Mass m2 = 68 kg Initial distance r1 = 3 ft = 90 cm = 0.9 m Final distance r2 =…
Q: What amount of work that need to be done by an external force on a particle on a frictionless,…
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Q: Example 74 Calculating Total Work Done from a Graph A force acting on a particle varies widh , as…
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Q: 216.0 J
A: Refer attachment
Q: Determine the total work done. Neglect frictional forcce. Vy = 1.50 m/s v 5.20 m/s s0.0 kg 5.20 m
A: Given: Mass of the cyclist, m=80.0 kg Initial speed, vi=5.20 m/s Final speed, vf=1.50 m/s Final…
Q: 1 а 2 The work done by a conservative force between two points A and B depends on a path taken True…
A: Given data: A conservative force Object moves from Point A to B by two ways Required: The work done…
Q: 20 N is needed to slide a box across a room to the right at a constant speed: a) How many Newtons…
A: Let us consider the forces come into picture in the above case, i.…
Q: Two particles, each of mass 7.0 kg, are a distance 3.0 m apart. To bring a third particle, with mass…
A: Solution:-Given thatm1=m2=7 kgr=3 mm3=21 kg
Q: What amount of work that need to be done by an external force on a particle on a frictionless,…
A: Given:work that need to be done by an external force on a particle on a frictionlesshorizontal…
Q: When do we get the maximum work?
A: data about force and displacement.
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