Advertisements
Advertisements
Question
State the effect of force F in of the following diagram.
Solution
The ball moves in the direction of magnitude of force f and continues to move in that direction
APPEARS IN
RELATED QUESTIONS
State Newton's third law of motion.
A car of mass 600 kg is moving with a speed of 10 ms-1 while a scooter of mass 80 kg us moving with a speed of 50 ms-1. Compare their momentum.
A spanner (or wrench) has a long handle. Why?
Classify the following amongst contact and non-contact forces.
normal reaction force,
Define the moment of force.
Fig. 5 shows a uniform meter scale weighing 200 gf. Provided at its centre. Two weights 300 gf and 500 gf are suspended from the ruler as shown in the diagram. Calculate the resultant torque of the ruler and hence calculate the distance from mid-point where a 100 gf should be suspended to balance the meter scale.
A meter scale is provided at 10 cm mark and is balanced by suspending 400 g from 0 cm mark (fig. ). Calculate the mass of meter scale.
Two unlike forces (parallel) of 10 N and 25 N act at a distance of 12 cm. from each other. Find the point about which the body balance.
On a see-saw, two children of masses 30 kg and 50 kg are sitting on one side of it at distance 2 m and 2.5 m respectively, from its middle, where should a man of mass 74 kg sit to balance it?
The diagram shows wheel O pivoted at point A. Three equal forces F1, F2 and F3 act at point B on the wheel.
- Which force will produce maximum moment about A?
- Give a reason for your answer in (a).
