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Which principle explains why a hydraulic lift can multiply force?
If the net force on a body is zero, the body is said to be in:
The angle of projection for maximum height of a projectile is:
A body of mass 5 kg moving at 4 m/s has kinetic energy of:
Which quantity is defined as mass per unit volume?
The law of conservation of energy states that energy:
A scalar quantity has:
The acceleration due to gravity on Earth's surface is approximately:
The law of conservation of linear momentum applies to a system when:
A projectile launched at 45 degrees achieves: