JEE Physics - MCQ Practice Questions

A wheel rotating at 100 rpm is brought to rest by applying brakes for 10 seconds. The angular deceleration is:

A particle undergoes simple harmonic motion with amplitude A and period T. The maximum velocity is:

Three objects with masses 1 kg, 2 kg, and 3 kg are connected in a straight line by rigid massless rods. The center of mass from the 1 kg mass is at distance:

A particle moving in circular path has centripetal acceleration a_c and tangential acceleration a_t. The magnitude of total acceleration is:

A solid sphere rolls without slipping down an incline of angle θ. The acceleration of center of mass is:

The coefficient of restitution between two colliding balls is 0.8. If they approach with velocities 5 m/s and 3 m/s, the relative velocity of separation is:

A hollow sphere and solid sphere of equal mass roll down the same incline without slipping. Which reaches the bottom first?

A pendulum with length L is displaced to make angle θ with vertical and released. The velocity at lowest point (for small angles) is approximately:

Two particles have equal kinetic energies but different momenta. Particle A has momentum p_A and particle B has momentum p_B. If m_A > m_B, then:

A car of mass 1500 kg takes a horizontal circular turn of radius 50 m at 54 km/h. The centripetal force required is:

A particle experiences a force F = 2i + 3j (N) and displacement s = 4i + 6j (m). The work done is:

The potential energy of a particle is U = x² - 2x. The force on particle is:

A uniform rod of mass M and length L is pivoted at one end. The moment of inertia about the pivot is:

A body is projected vertically upward with velocity 40 m/s. If g = 10 m/s², what is the maximum height reached?

A block of mass 5 kg is placed on a frictionless inclined plane at 30°. What is the acceleration down the plane? (g = 10 m/s²)

Two objects of masses m₁ = 2 kg and m₂ = 3 kg are connected by a light string over a pulley. If released from rest, what is their acceleration? (g = 10 m/s²)

A particle moves with constant velocity v = 5 m/s in a circular path of radius 10 m. What is its centripetal acceleration?

A 2 kg mass attached to a spring (k = 200 N/m) oscillates on a frictionless surface. What is the period of oscillation?

A crate is pushed on a horizontal floor with a coefficient of kinetic friction μₖ = 0.3. If the applied force is 60 N and mass is 15 kg, what is the acceleration? (g = 10 m/s²)

What is the moment of inertia of a uniform disc of mass M and radius R about an axis perpendicular to the disc passing through its center?