Which will roll down an incline faster a can of water or a can of ice?

Q: Both the lift and the drag of an airfoil increase with an increase in the angle of attack. In…

A: Both lift and drag of an aitrfoil will increase with an increase in angle of attack but in general…

Q: -55.0-kg woman stands at the rim of a horizontal turntable having a ertical axle through its center.…

A: The questions are answered below

Q: How does the thickness of paint sprayed on a surface change when the sprayer is held twice as far…

A: If the sprayer is kept at a distance twice as far, radius of the circle painted would also be twice…

Q: What can you say about the acceleration of gravity acting on the stone and the feather?

A: The acceleration of gravity is the acceleration by which the body falls at the center of the earth.

Q: a nurse carries a heavy tray in front of her. Describe how she positions her body while she carries…

A: When nurse carries a heavy tray in front of her then the position of center of mass is shift ahead…

Q: The front wheels of a racing vehicle are located far out in front to help keep the vehicle from…

A:

Q: Is it possible to move in a curved path in the absence of the force? Defend your answer.

A: It is not possible to move in a curved path in the absence of force. According to Newton’s first law…

Q: Can an object move along a curved path if no force acts on it? Defend your answer.

A: No, an object cannot move along a curved path if no force acts on it.

Q: 4. against which it can push?

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A softball and a basketball start from rest and roll down an incline. Which ball reaches the bottom…

A: A Softball has lower rotational inertia as it is smaller in size and shape A Basketball has…

Q: What happens to the weight reading on a scale you stand on when you toss a heavy object upward?

A:

Q: • In one hand you hold a 0.13-kg apple, in the other hand a 0.22-kgorange. The apple and orange are…

A: (a) Magnitude of gravitational force exerted by the orange on the apple

Q: . An astronaut on a space walk discovers that his jet pack no longerworks, leaving him stranded 50 m…

A:

Q: A wedding cake sits atop a table. A mischievous ringbearer wants to show off his strength by lifting…

A: Given data: - The weight of the cake is W = 49.0 N. The coefficient of static friction between μ =…

Q: Does the acceleration of the balls change with the angle of incline? How does it affect the…

A:

Q: If I push on a wall and don’t break it, will the wall push back at me with less, more, or equal…

A: Newton's third law of motion states that every action has an equal and opposite reaction.

Q: The center of gravity coincides with the center of mass:

A: Center of mass is the point where mass distribution of the object equal in all directions, and it…

Q: An astronaut's pack weighs 16.0 N when she is on earth but only 3.24 N when she is at the surface of…

A: Weight of an object is given by W = mg, where m = the mass of the object g = acceleration due to…

Q: How is inertia a factor in multicar pileups?

A: Inertia: It is the tendency of a body to does not change its state of motion or rest.  So while a…

Q: What is the difference between sliding and rolling friction?

A: Rolling Sliding     Rolling friction takes place when an object rolls on the surface. Sliding…

Q: If you have a spinning wheel and want to stop it by touching it, where will it be most effective to…

A: in this type of question  we discuss  about apply force against system.

Q: Where should a third 25.0 gram mass be placed on the mobile drawn below so that the mobile will hang…

A: To solve this we equate the moments due to the weights at the support point. For the mobile to…

Q: Bertha the bear tips the scales at 950 Newtons.  What is her mass?

A: Given: The weight of the Bertha is 950 N.

Q: Why is the normal force no longer equal to the weight of all things on an incline?

A: Lets take it from basis Newton third law states "for every force, there is equal and opposite…

Q: The greatest acceleration of the center of mass of a baseball bat as shown in figure will be…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: A softball and a basketball start from rest and rolls down an incline. Which ball reaches the bottom…

A: The rotational inertia, for softball,

Q: . A car is on a driveway that is inclined 32° to the horizontal. If the car weighs 2500 lb, find the…

A:

Q: A bowling ball at rest in equilibrium. Is the ball in equilibrium when it moves at constant speed in…

A: A equilibrium is achieved when the net force working on the body is zero, or in other words all the…

Q: Why can you exert greater force on the pedals of a bicycle if you pull up on handlebars?

A: When we apply a pull force on the handlebars then it works as action force. And according to…

Q: The setup shown is used to measure the output of a small turbine. When the flywheel is at rest, the…

A: The figure shows the free body diagram of the flywheel.

Q: Do you feel yourself thrown to either side when you negotiate a curve that is ideally banked for…

A:

Q: A hollow ball is released from rest at the top of it starts from a fast will it be m oving When it…

A:

Q: Discuss how the shapes of different animals' bodies are designed to reduce friction

A: Required :  How the shapes of different animals' bodies are designed to reduce friction.

Q: A Child In A Merry-Go-Round Press Presses The Side Of His Seat Radially Outward. Why?

A: This is because of centrifugal force acting radially outwards on the child actually rotating in the…

Q: If you wish to reduce the stress (which is related to centripetal force) on high-speed tires, would…

A: Answer:   The expression of stress is given by, σ=FAσ=Fπr2 Here, F is the force exerting on the…

Q: Why does a child in a wagon seem to fall backward whenyou give the wagon a sharp pull forward?

A:

Q: Heavier objects fall faster th

A: a. FALSE Vector quantities are those which depend on magnitude and direction both. Temperature is a…

Q: Study the turning effect of force.

A: The turning effect of force

Q: When a bowling ball leaves your hand, it may not spin. But farther along the alley, it does spin.…

A: Torque is a measure of the force that can cause an object to rotate about an axis Torque is a vector…

Q: Carts with rubber tyres are better than those with iron tyres. Why?

A: Carts with rubber tyres are better than those with iron tyres.

Angular speed, acceleration and displacement

Angular acceleration is defined as the rate of change in angular velocity with respect to time. It has both magnitude and direction. So, it is a vector quantity.

Angular Position

Before diving into angular position, one should understand the basics of position and its importance along with usage in day-to-day life. When one talks of position, it’s always relative with respect to some other object. For example, position of earth with respect to sun, position of school with respect to house, etc. Angular position is the rotational analogue of linear position.