What provides the lift to keep a Frisbee in flight?

Q: A mouse has more skin per body weight than an elephant. How does this affect the amount of food each…

A:

Q: What is the effect of gravity on stable posture?

A: When the body is static for long time gravity produces creep.  Gravitational creep is the influence…

Q: The attractive force between the .6 molecules of the liquid is called

A:

Q: What is translational motion?

A: Translational motion:   Translational motion is the motion by which a body shifts from one point in…

Q: What is the Principle of working stair climbing trolly

A: The trolley is cleverly built to transport products up and down stairwells, on flat ground, and even…

Q: Is the turtle speeding up or slowing down? Why?

A: Answer  the turtle is speeding up

Q: How does driving a car on a daily basis affect the environment? What other modes of transportation…

A: Effect on environment by driving a car on a daily basis: The car and the vehicles as well as light…

Q: gannet is a seabird that fishes by diving from a great height. If a gannet hits the water at 32 m/s…

A: Given: The initial speed of the gannet is 0 m/s. The final speed of the gannet is 32 m/s.

Q: If you increase your push, what happens to FN?

A: We know that about the normal force and the static friction force.  When an object sitting on a…

Q: What are two examples of a wedge, other than a wedge used to chop wood?

A: Wedges are used in different ways for cutting, splitting and tightening, etc

Q: When a person diets, is his/her goal is to lose mass or to lose weight? Explain

A: Answer Mass is defined as the amount of matter or substance that constitutes an object and weight is…

Q: Based on the Aristotelian conception of motion, why do clouds form in the atmosphere and rain falls…

A: Aristotle divided motion in two categories : 1. Natural or vertical motion : The motion that any…

Q: A stack of 3 filters and a stack of 6 filters were dropped from the top of the tower. Which stack…

A: We have to determine about the terminal velocities of the two stacks

Q: A car carrying a 75-kg test dummy crashes into a wall at 25 m/s and is brought to rest in 0.1 s.…

A:

Q: What does the translational equation of motion refer to?

A: Translational motion is the motion in which the body gets displaced from one point to another. In…

Q: An acorn falls from

A: Kinetic energy = (1/2) mv2  Potential energy = mgh

Q: What is Spring?

A: The spring is an elastic object that stores mechanical energy. When a spring is stretched or…

Q: Why should I pick a compression spring ping pong ball launcher over any other ping pong ball…

A: A compression spring ping pong ball launcher is just like a spring mass system. The force exerted by…

Q: What is air racing?

A: air racing  is a type of motorsport that involves airplanes or other types of aircraft  that compete…

Q: State the law of action and reaction by giving two examples of it.

A: Law of action and reaction according to the law of action and reaction every action has equal and…

Q: What are central forces?

A: In classical mechanics the central force is defined as the force acting on an object that is…

Q: Why is a Ping-Pong ball kept in midair by a vertical jet of air?

A: As per Bernoulli’s equation, a moving vertical jet of air causes a low pressure region. So, the…

Q: What is a airplane that can stay in the air the longest and fly the farthest?

A: The factors like structure, weight, design can be helpful to fly longest and farthest.

Q: which has a quicker stride; a mouise or a giraffe. explain

A: The stride is defined as the movement along a path quickly with the long steps.

Q: The heaviest invertebrate is the giant squid, which is estimated to have a weight of about 0.20 tons…

A: Mass of the heaviest invertebrate in a giant squid is M=0.2 tons and it is spread over a length l=36…

Q: A thick rope is stronger than a thin rope of the same material. Is a long rope stronger than a short…

A: A thick rope is stronger than a thin rope because the cross sectional area of the thick rope is…

Q: How do owls find mice moving through grassy fields?

A: Owls find mice moving through grassy fields because

Q: What is cause of surface tension?

A:

Q: Which force allows hot air balloons to fly?

A: The hot air balloon is moving up.

Q: What happens when equilibrium is out of balance?

A: Equilibrium means when net external force on the system is zero. Hence, it means that acceleration…

Q: You know two forces are balanced if the net force is.....

A: Two forces are balanced means both forces have same magnitude and opposite direction. According to…

Q: A 40 lb 50 lb 30 lb 10 lb a 6 in. ' 6 in. 8 in.

A: We have to determine reactions at A and B at a= 10 in

Q: What are combining forces?

A:

Q: What is breaking stress?

A: In simple terms, the stress applied to a material is defined as the force per unit area applied to…

Q: Which requires more food per body weight daily: an elephant or a mouse?

A: For a mouse, there is a greater amount of radiating area per kg of body weight, compared to an…

Q: Why is it important to observe personal safety measures when dancing?

A: Question: Why is it important to observe personal safety measures when dancing?

Q: Why can small creatures fall considerable distances without injury ,while people need parachutes to…

A: The concept for the above phenomenon lies in the difference in the surface area to mass ratio of the…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!