Diagram above shows a lorry pulling a log with an iron cable. If the tension of the cable is \(3\,000\text{ N}\) and the friction between the log and the ground is \(500\text{ N}\), find the horizontal force that acting on the log.
Diagram 13 shows a metal rod of uniform cross-sectional area is hung on a spring balance. It is immersed in a beaker of water. Then, the metal rod is raised up by a constant velocity.
Which of the graph shows the changes in the reading on the spring balance?
Credit:
State of Kedah Trial SPM MPSM 2018
The diagram above shows a block of wood and a ballast connected by a rope through a pulley inelastic smooth. The mass of the weights, M is greater than the mass of the block of wood, m. When the ballast is released, it accelerates down and accelerates the woodblock to the right.
Based on the diagram above, which is true about the resultant force?
Source: pngtree.com
The diagram shows a hot air balloon.
What is the resultant force acted on the hot air balloon?
\(500 \space \text N\), upward
\(900 \space \text N\), upward
\(500 \space \text N\), downward
\(900 \space \text N\), downward
What methods can be used to calculate the addition of non-parallel force vectors?
I.
Triangle method
II.
Parallelogram method
III.
Perpendicular rectangular method
IV.
Rectangular method
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