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A block is resting over a rough horizontal floor. At t = 0, a time-varying force starts acting on it, the force is described by equation F = kt, where K is constant and t is in seconds. Mark the correct
01
Oct
A block is resting over a rough horizontal floor. At t = 0, a time-varying force starts acting on it, the force is described by equation F = kt, where K is constant and t is in seconds. Mark the correct A block is resting over a rough horizontal floor. At t = 0 a [...]
A 3 kg block of wood is on a level surface where mu s = 0.25 and mu k = 0.2. A force of 7 N is being applied horizontally to the block. Mark the correct statement(s) regarding this situation.
01
Oct
A 3 kg block of wood is on a level surface where mu s = 0.25 and mu k = 0.2. A force of 7 N is being applied horizontally to the block. Mark the correct statement(s) regarding this situation. A 3 kg block of wood is on a level surface where mu s = [...]
Mark the correct statements(s) regarding friction. a. Friction force can be zero, even though the contact surface is rough. b. Even though there is no relative motion between surfaces,
01
Oct
Mark the correct statements(s) regarding friction. a. Friction force can be zero, even though the contact surface is rough. b. Even though there is no relative motion between surfaces, even though the contact surface is rough. b. Even though there is no relative motion between surfaces Mark the correct statements(s) regarding friction. a. Friction force [...]
Two rough blocks A and B, A placed over B, move with accelerations aA and aB, velocities vA and vB by the action of horizontal forces FA and FB, respectively. When no friction exists between
01
Oct
Two rough blocks A and B, A placed over B, move with accelerations aA and aB, velocities vA and vB by the action of horizontal forces FA and FB, respectively. When no friction exists between A placed over B move with accelerations aA and aB respectively. When no friction exists between Two rough blocks A [...]
Two blocks A and B of masses mA and mB have velocity v and 2v, respectively, at a given instant. A horizontal force F acts on the block A. There is no friction between ground and block B
01
Oct
Two blocks A and B of masses mA and mB have velocity v and 2v, respectively, at a given instant. A horizontal force F acts on the block A. There is no friction between ground and block B at a given instant. A horizontal force F acts on the block A. There is no friction [...]
A 20 kg block is placed on top of a 50 kg block as shown in Fig. 7.318. An horizontal force F acting on A causes an acceleration of 3 m/s^2 to A and 2 m/s ^2 to B sa shown in the figure.
01
Oct
A 20 kg block is placed on top of a 50 kg block as shown in Fig. 7.318. An horizontal force F acting on A causes an acceleration of 3 m/s^2 to A and 2 m/s ^2 to B sa shown in the figure. A 20 kg block is placed on top of a 50 [...]
In Fig. 7.317, if F = 4 N, m = 2 kg, M = 4 kg, then a. The acceleration of m w.r.t. ground is 2/3 m/s^2. b. The acceleration of m w.r.t. ground is 1.2 m/s^2.
01
Oct
In Fig. 7.317, if F = 4 N, m = 2 kg, M = 4 kg, then a. The acceleration of m w.r.t. ground is 2/3 m/s^2. b. The acceleration of m w.r.t. ground is 1.2 m/s^2. if F = 4 N In Fig. 7.317 m = 2 kg M = 4 kg then a. [...]
Two blocks of masses m1 and m2 are connected through a massless inextensible string. A block of mass m1 is placed at the fixed rigid inclined surface while the block of mass m2 hanging at the other end
01
Oct
Two blocks of masses m1 and m2 are connected through a massless inextensible string. A block of mass m1 is placed at the fixed rigid inclined surface while the block of mass m2 hanging at the other end A car travels with constant speed on a circular road on level ground. In Fig. 7.312 Fair [...]
Consider the setup of a Ferris wheel in an amusement park. The wheel is turning in a counterclockwise manner. Contrary to the illustration, not all seats are aligned horizontally, i.e. parallel to the x axis.
01
Oct
Consider the setup of a Ferris wheel in an amusement park. The wheel is turning in a counterclockwise manner. Contrary to the illustration, not all seats are aligned horizontally, i.e. parallel to the x axis. Consider the setup of a Ferris wheel in an amusement park. The wheel is turning in a counterclockwise manner. Contrary [...]
Two cars A and B start racing at the same time on a flat race track which consists of two straight sections each of length 100 pie and one circular section as shown in Fig. 7.314 The rule of the race
01
Oct
Two cars A and B start racing at the same time on a flat race track which consists of two straight sections each of length 100 pie and one circular section as shown in Fig. 7.314 The rule of the race Two cars A and B start racing at the same time on a flat [...]