One force acting on a machine part is F = (-5.0)i + (4.0)j N. The vector position from the origin to the point where the force is applied is r = (-0.45)i + (0.15)j m. (a) Determine the direction of the torque. (b) Calculate the vector torque for an axis at the origin produced by this force.
University of Ilorin PHY101 2026-exam past question
- (a) negative z-direction; (b) -1.05 k N m
- (a) positive z-direction; (b) +1.05 k N m
- (a) negative z-direction; (b) -2.55 k N m
- (a) positive z-direction; (b) +2.55 k N m
Register free to see the answer and step-by-step explanation
More University of Ilorin PHY101 2026-exam past questions
Related questions
- A car's suspension consists of springs with an overall effective spring constant of 120 kN/m. How much would you have to compress the sprin…
- An object rotates with angular momentum L. What will happen to its angular velocity if its moment of inertia is doubled?
- A 3.00 kg particle has a velocity of (3.0i - 4.0j) m/s. Find the magnitude of its total momentum.
- An object A is moving with 5 m/s and object B is moving with 20 m/s in the same direction (positive x-axis). Find the velocity of B with re…
- A man climbs a mountain with an amount of energy E. The energy he gains when descending the mountain is equal to:
- When a box is dragged on the floor, the work done on the box in the form of potential energy is:
