Q

A cyclist applies brakes to stop a moving bicycle. The work done by the braking force on the bicycle is _______.

RRB Group D 12 Aug, 2026 (9:00 AM - 10:30 AM) 2026
✓ Answer: B Negative only
The braking force acts opposite to the direction of displacement, so its work is negative.
← Previous Question Next Question →

📚 Related Questions — Mechanics

1 When a bullet is fired from a gun, the gun recoils in… 2 Which can be an effect of balanced forces acting on an object? 3 If air resistance is negligible, the sum of potential and kinetic energy… 4 Calculate the acceleration when a force of 100 N acts on a… 5 Find the potential energy of a 40 kg object lifted 5 m… 6 What happens to the total energy of a body falling freely toward…