Walking on horizontal slippery ice can be much more tiring than walking on ordinary pavement. Why?

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: Why does a car nose up when accelerating and nose down when braking?

A: When the car is accelerating, the road traction forces act in the forward direction on the tires of…

Q: When moving along a curved path, a motorbike driver Select one: O a. Leans inwards O b. Leans…

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Q: A 5 kg block falls from rest down a 7 m high frictionless hill. It collides with a stationary 2 kg a…

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Q: How is the swimmer jumping into water from a height be able to make loop in air?

A: Step 1The swimmer is using the conservation of angular momentum concept to do the trick.

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

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Q: A helicopter pushes air down, which in turn pushes the helicopter up. Which force affects the…

A: When the fans of the helicopter rotates, it pushes air down.  As the air is pushed down, due to an…

Q: In synchronized diving, divers remain in the air for the same time. With no air drag, they would…

A: In an appreciable air drag, the divers, in synchronized diving remain together in a fall. The divers…

Q: A parachute descends slowly. Why?

A: When any object falls from a height, gravity acts on it, which pulled it downwards, but the air…

Q: When moving along a curved path, a motorbike driver, Select one: O a. Leans outwards O b. Leans…

A: When a motorbike driver is moving on a curved path, the centripetal force acts on the driver.

Q: When you release an inflated but untied balloon, why doesit fly across the room?

A: The untied balloon flies across the room because of the momentum carried by the air present inside…

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

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Q: Which is more difficult to stop a sailboat or a cruise ship?why?

A: A cruise and a sailboat, both stay afloat on water due to the buoyant force acting on them.

Q: Will a real cart gain speed faster going down a given ramp than it loses speed on the way up, or the…

A: Let F= force applied on both forces. fk is the kinetic friction

Q: why do we slip on a muddy road?

A: Frictional force enables us to provide grip on the road when we are walking. It arises mainly due to…

Q: A 0.80 kg mass is hung from a string of 0.70 meters. The mass hangs at rest. Now the mass is…

A: Given data: The mass is m=0.8 kg. Length of string is L=0.7 m.

Q: An elevator is moving upward at a constant speed of 4 m/s. A man standing 10 m above the top of the…

A: Constant speed of elevator (v) = 4 ms , upwards height of man above the top of elevator (h) = 10 m…

Q: I want to check the answers of this question especially when does the weight first reach its maximum…

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Q: why do you seem to lurch forward in a bus that suddenly slows? why do you seem to lurch backward…

A: We lurch forward in bus that suddenly slows , this is because of inertia of motion . Inertia of body…

Q: A boxer moves his head backward just before receiving a punch . Why?

A: A boxer moves his head backwards in order to increase the time interval of the punch to touch him.…

Q: < You push against the floor when you walk and the floor pushes back on you. An object will not…

A: An object will not accelerate unless a net force is applied to it ------&gt; it is the direct…

Q: When you catch a water balloon, it’s best to start with your hand in motion, moving with the…

A: The goal is to reduce the momentum of the balloon to zero, so you should apply an impulse to do…

Q: It is more difficult to walk on ice than on a concrete road because  A) there is very little…

A: Introduction: The friction always acts opposite to the direction of the relative motion of two…

Q: An elevator is hanging, motionless, from its cables. List ALL the forces acting upon it. Normal…

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Q: A 50.0?? woman inside an elevator is standing on a scale. How will the acceleration of the elevator…

A: When a body is an elevator, and it is moving with some acceleration, its weight on weighing machine…

Q: If you walk along a log floating on a lake, why does the log move in the opposite direction?

A: Solution: Newton’s third law says that each action always reacts in an equal and opposite direction…

Q: In order to swim, a person pushes the water backward, why?

A: According to Newton’s 3rd law, action force and reaction force are equal in magnitude and opposite…

Q: A woman on a bridge 106 m high sees a raft floating at a constant speed on the river below. She…

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Q: We are able to walk forward because O we push on the air O the air pushes on us O we push on the…

A: One can walk on the road due to the friction force act between road and feet. It helps to interlock…

Q: Can you push the stuck cars back down the track and have them separate on their own?

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Q: Was it easier to push a fist into the bag with no water or into the bag with water?

A: Answer We can move easily through air than through water. If the road is full of water we can't…

Q: If you climb a ladder and drop a ball from different heights, due to gravity, both balls -- one at…

A: At higher height, the ball drops down from the ladder. During the duration of the fall, the ball’s…

Q: You awaken in the chance to save yo bedroom door and window. You happ Superball next to y only time…

A: Force is given by,

Q: You are diving board over a swimming pool. You are throwing upward a tennis ball at a speed 3 m/s.…

A: Let height is h between board and water  Now by  V2 = U2 + 2ah  152 = 32 + 2(-9.8)h  h =…

Q: A cannonball is fired straight up into the air. The cannonball leaves the cannon at a speed of 75…

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Q: erson pick a compression spring ping pong ball launcher ove

A: Given:- A person using pick a compression spring ping pong ball launcher, he is not taking any…

Q: What is the benefit of an airbag, according to your understanding of physics?

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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…