Questions (1250)

# Question Topic Actions
501
What is the moment of inertia of a hollow cylinder of mass m, with inner radius…
Mechanical Equilibrium and Rotational Dynamics View
502
A thin rod of mass m and length l has a moment of inertia given by (1/12)ml². T…
Mechanical Equilibrium and Rotational Dynamics View
503
What is the moment of inertia of a solid sphere of mass m and radius R about an…
Mechanical Equilibrium and Rotational Dynamics View
504
What is the moment of inertia of a hollow sphere (with a thin wall) of mass m a…
Mechanical Equilibrium and Rotational Dynamics View
505
The resultant torque (τ) acting on a rigid body is related to its moment of ine…
Mechanical Equilibrium and Rotational Dynamics View
506
For a particle of mass m moving in a circle of radius r with linear velocity v,…
Mechanical Equilibrium and Rotational Dynamics View
507
For a rigid body, the total angular momentum L is equal to which of the followi…
Mechanical Equilibrium and Rotational Dynamics View
508
What does the law of conservation of angular momentum state?
Mechanical Equilibrium and Rotational Dynamics View
509
If a force F acts at the edge of a pulley of radius r, causing it to rotate thr…
Mechanical Equilibrium and Rotational Dynamics View
510
The work done (W) by a constant torque τ acting through an angular displacement…
Mechanical Equilibrium and Rotational Dynamics View
511
The power developed by a constant torque τ, when the average angular velocity i…
Mechanical Equilibrium and Rotational Dynamics View
512
Six coins, each of mass 20 g, are glued 10 cm apart on a rod of negligible mass…
Mechanical Equilibrium and Rotational Dynamics View
513
A thin uniform rod is 1 m long and has a mass of 6 kg. It is pivoted at its cen…
Mechanical Equilibrium and Rotational Dynamics View
514
A circular grinding disk of radius 0.6 m and mass 90 kg is rotating at 460 rev/…
Mechanical Equilibrium and Rotational Dynamics View
515
A wheel of radius 60 cm has a moment of inertia of 5 kg·m². A constant force of…
Mechanical Equilibrium and Rotational Dynamics View
516
In two-dimensional motion, the position of a particle is described by which of …
Kinematics in Two Dimensions View
517
The instantaneous velocity vector of a particle in two-dimensional motion is al…
Kinematics in Two Dimensions View
518
The independence of horizontal and vertical motions in two-dimensional projecti…
Kinematics in Two Dimensions View
519
In the absence of air resistance, the horizontal component of velocity for a pr…
Kinematics in Two Dimensions View
520
A projectile is launched at an angle θ₀ above the horizontal. Its initial verti…
Kinematics in Two Dimensions View
521
For a projectile launched on level ground, the total time of flight T is given …
Kinematics in Two Dimensions View
522
At the highest point of its trajectory, a projectile launched at an angle has a…
Kinematics in Two Dimensions View
523
A projectile is launched at an angle of 30° above the horizontal. Compared to t…
Kinematics in Two Dimensions View
524
A projectile is launched on level ground. Its horizontal range R is maximum whe…
Kinematics in Two Dimensions View
525
What is the shape of the trajectory (path) followed by a projectile launched at…
Kinematics in Two Dimensions View
526
A projectile is launched horizontally from a height y above the ground with an …
Kinematics in Two Dimensions View
527
The velocity of a projectile, fired horizontally from a height, just before it …
Kinematics in Two Dimensions View
528
A frame of reference in which a body remains at rest or moves with constant vel…
Kinematics in Two Dimensions View
529
The velocity of an object measured by an observer depends on the
Kinematics in Two Dimensions View
530
The relative velocity of car A with respect to car B, V_AB, when both are movin…
Kinematics in Two Dimensions View
531
If two objects are moving in opposite directions, the magnitude of their relati…
Kinematics in Two Dimensions View
532
A person walks at 2 m/s north on a train that is moving at 10 m/s north relativ…
Kinematics in Two Dimensions View
533
A motorboat heads straight across a river (perpendicular to the bank) at 4 m/s.…
Kinematics in Two Dimensions View
534
An airplane maintains a heading due east with an airspeed of 200 km/h. A wind b…
Kinematics in Two Dimensions View
535
A 3-kg block is pulled up a frictionless inclined plane by a 30 N force paralle…
Last Min Prep View
536
A 1000 kg load is being moved by a crane. Find the tension in the cable that su…
Last Min Prep View
537
A car of mass 1200kg accelerates from rest to a speed of 25m/s in a time of 8.0…
Last Min Prep View
538
A ball is thrown vertically upward from the ground with a speed of 20 ms⁻¹. How…
Last Min Prep View
539
The moment of inertia of a hollow cylinder is
Last Min Prep View
540
Find the mass of an object attached to the hook of a spiral balance which is ve…
Last Min Prep View
541
Calculate the moment of inertia of a solid cylinder of mass 10kg and diameter 4…
Last Min Prep View
542
Calculate the escape velocity from the surface of a star whose mass is 7.34 × 1…
Last Min Prep View
543
Which of the following are the correct S.I. units of the quantities indicated? …
Last Min Prep View
544
The moment of inertia about the axis passing through the centre of mass of a fl…
Last Min Prep View
545
A solid ball starts from rest and rolls without slipping down the ramp toward t…
Last Min Prep View
546
Small force implies pressure
Last Min Prep View
547
Which of the following respectively represents a fundamental, derived and suppl…
Last Min Prep View
548
A car of mass 1000kg moving at 100km/h comes to a stop in 50m. What is the magn…
Last Min Prep View
549
An object does free fall and it takes 60m distance during last 2 seconds of its…
Last Min Prep View
550
A body moves in an x-y plane with velocity v m/s. The components of v are v_x =…
Last Min Prep View
551
A large mass explodes into two smaller masses. Mass m moves to the right at spe…
Last Min Prep View
552
Three forces F₁, F₂ and F₃, are acting on a block as shown below. Find the resu…
Last Min Prep View
553
A non-viscous liquid of constant density ρ flows in a streamline motion along a…
Last Min Prep View
554
A grinding stone in the form of a solid cylinder has a radius of 0.5m and a mas…
Last Min Prep View
555
Calculate the fractional decrease in volume for water at 5km depth, where the f…
Last Min Prep View
556
Suspension cables are used to carry gondolas at ski resorts. Consider a suspens…
Last Min Prep View
557
A wheel is rotating freely at angular speed of 800 rev/min on a shaft whose rot…
Last Min Prep View
558
Vectors A and B are given as A = 3i + 4j - 2k and B = 2i - 6j + 3k. Evaluate B …
Last Min Prep View
559
Suppose you throw a ball with a mass of 0.40 kg against a brick wall. If it hit…
Last Min Prep View
560
Which of these statements is false about the Newton's Third Law of Motion? When…
Last Min Prep View
561
A horizontal disc of rotational inertia 0.01 kg.m² and radius 20 cm is rotating…
Last Min Prep View
562
If v stands for velocity of sound, E is elasticity and d the density, then find…
Last Min Prep View
563
A gun is held horizontally and fired. At the same time the bullet leaves the gu…
Last Min Prep View
564
The moment of inertia about the axis passing through the centre of mass of a fl…
Last Min Prep View
565
A toy car moves 8 m in 4 s at the constant velocity. What is the car's velocity?
Last Min Prep View
566
If the density of air is 1.3 kg/m³. The mass of air in a room measuring 8m × 5m…
Last Min Prep View
567
A small metal sphere with diameter 10mm is dropped into glycerin. The viscous f…
Last Min Prep View
568
A car having a mass of 1000 kg is moving at a speed of 30 metres/sec. Brakes ar…
Last Min Prep View
569
A car of mass 500kg is accelerating at 1.5m/s². If the resistance to motion is …
Last Min Prep View
570
In a two-body collision,
Last Min Prep View
571
A cockroach rides the rim of a rotating merry-go-round. If the angular speed of…
Last Min Prep View
572
A 50-kilogram student threw a 0.40-kilogram ball with a speed of 20 meters per …
Last Min Prep View
573
Two balls with equal mass are dropped from a height of 2 meters above the floor…
Last Min Prep View
574
A metal disk rotating at 500 rev/min is brought to rest in 20 min by friction. …
Last Min Prep View
575
Two boxes with masses 3kg and 7kg are attached to each end of a massless meter …
Last Min Prep View
576
The volume flow rate Q (in m³/s) of a liquid through pipe having diameter d is …
Last Min Prep View
577
By the principle of conservation of angular momentum, when the net external tor…
Last Min Prep View
578
If X = 3YZ², find the dimensions of Y in (MKSA) system if X and Z are the dimen…
Last Min Prep View
579
A stone is tossed straight upwards with initial positive velocity of 30 m/s. Wh…
Last Min Prep View
580
Meter rule balances when pivoted at 50cm because
Last Min Prep View
581
The acceleration of a moving particle is given as a(t) = (-3 + 2t²) m/s². Find …
Last Min Prep View
582
A 4kg object attached to a rope makes 200 rev/min. If the tension in the rope i…
Last Min Prep View
583
A 1.5 kg cylinder descends vertically from a pulley, causing a 5kg block to acc…
Last Min Prep View
584
A uniform beam has a length 8m and mass 60kg. If it is suspended by two ropes a…
Last Min Prep View
585
An ideal fluid flows through a pipe of circular cross section of radius r at a …
Last Min Prep View
586
The diagram below presents the position and elapsed time of a motorbike that st…
Last Min Prep View
587
If force depends on density, velocity and length as F ∝ k ρˣ vʸ lᶻ, where k is …
Last Min Prep View
588
What is the velocity of the object?
Last Min Prep View
589
Which of the following is not an example of non-conservative force?
Last Min Prep View
590
The motion of a rigid body consist of
Last Min Prep View
591
Rotational kinetic energy of disc is given by
Last Min Prep View
592
Mercury is used in a barometer, though it is relatively costly. Why cannot we u…
Last Min Prep View
593
Over a short interval near time t = 0 the coordinate of an automobile in meters…
Last Min Prep View
594
Only force acting on a bouncing ball is?
Last Min Prep View
595
Resting force What magnitude of net force is required to give a 135kg refrigera…
Last Min Prep View
596
Starting from the origin, a person walks 6 km east during first day, and 3 km w…
Last Min Prep View
597
Displacement from origin if a car travels 4 km east then 7 km west?
PHY 101 Past Questions View
598
The relationship between the mass m of a material, its volume V, and its densit…
Physical Quantities And Units View
599
The element 133Cs is the standard for defining which of these:
Physical Quantities And Units View
600
The coefficient of thermal expansion, α, of a metal bar of length l whose lengt…
Physical Quantities And Units View