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What is the minimum work needed to push a 380-kg car 170 m up a 7.5º incline with friction?
The work done against gravity is given by: W = mgh = (380 kg)(9.8 m/s^2)(170 m)sin(7.5º) The work done against friction is given by: W_friction = f_friction * d = µ * m * g * d, where d is the distance moved. The total work done is the sum of the work against gravity and friction: Total work = W + W_friction.
What is push or pull that makes an object move or puts it into motion?
A push or pull that acts on an object is a force.
Which of the following is considered to be a conservative force?
Air resistance
Which type of energy is lost in doing work against friction?
The energy lost in doing work against friction is primarily converted into heat energy. Friction between surfaces causes mechanical energy to be transformed into thermal energy, leading to an increase in temperature in the system.
What factors affect the ability of gravity to do work?
The factors that affect the ability of gravity to do work include the distance the object falls, the mass of the object, and the presence of other forces that may oppose gravity, such as friction or air resistance. The work done by gravity is determined by the height through which the object falls and the force of gravity acting on the object.
Why when you push an object across a desk the work done is not equal to the change in gravitational potential energy?
In this case, you are not doing work against the force of gravity, but against the force of friction.
What is the 2 forces that work against machines?
friction and gravity
What is the minimum work needed to push a 380-kg car 170 m up a 7.5º incline with friction?
The work done against gravity is given by: W = mgh = (380 kg)(9.8 m/s^2)(170 m)sin(7.5º) The work done against friction is given by: W_friction = f_friction * d = µ * m * g * d, where d is the distance moved. The total work done is the sum of the work against gravity and friction: Total work = W + W_friction.
Forces at work on a sailing boat?
Gravity Drag Lift Friction
What is push or pull that makes an object move or puts it into motion?
A push or pull that acts on an object is a force.
Which of the following is considered to be a conservative force?
Air resistance
What types of energy work on a roller coaster?
the two forces are friction and gravity
How does outer space travel work?
outer space travel work by gravity and friction plus magentism
Which type of energy is lost in doing work against friction?
The energy lost in doing work against friction is primarily converted into heat energy. Friction between surfaces causes mechanical energy to be transformed into thermal energy, leading to an increase in temperature in the system.
Why the coolie carrying load in the head is not doing any work scientificall?
it is because the displacement of load being horizontal,is normal to the direction of force of gravity ie.,cos 90' which is zero but he surely does some work if we consider it against the force of friction.
What factors affect the ability of gravity to do work?
The factors that affect the ability of gravity to do work include the distance the object falls, the mass of the object, and the presence of other forces that may oppose gravity, such as friction or air resistance. The work done by gravity is determined by the height through which the object falls and the force of gravity acting on the object.
How are friction and gravity involved in a water slide?
Friction is important on a water slide as it helps slow down the rider's speed to ensure a safe descent. Gravity, on the other hand, provides the force that pulls the rider down the slide. Together, friction and gravity work in harmony to control the speed and movement of the rider on a water slide.
