The phrase "a demonstration of physical" is not complete and lacks clarity in written English.
It can be used when referring to an example or display of physical skills or attributes, but it needs additional context to be fully understood.
Example: "The event included a demonstration of physical strength through various athletic competitions."
Alternatives: "an exhibition of physical" or "a display of physical".
An outstanding feature of the Conference was a demonstration of physical and chemical properties of rubber on June 23 arranged by Mr. E. F. Powell and certain members of his staff from the Dunlop Rubber Co. , Ltd
Stanford 25 educational sessions are held every two weeks throughout the year and typically involve a live patient and a demonstration of physical diagnostic techniques by an expert clinician.
The first time around, when he succeeded Duncan Fletcher, it was said the old lags in the side, used to the previous coach's manner and ways, could not take Moores' in-your-face challenging methods, something that most notoriously manifested itself when he insisted on a full-on training session right after a one-day international as a demonstration of physical and mental intent.
U visas require a demonstration of physical or mental abuse, so Vanegas' lawyers may have to prove that he suffered psychologically due to his employer's alleged actions.
I regard this activity not so much as a demonstration of a physical fact, but more as a way to smooth out any irregularities my speech might have".
("I regard this activity not so much as a demonstration of a physical fact," he read, "but more as a way to smooth out any irregularities my speech might have").
Figure 10 A ring stain and a demonstration of the physical processes involved in production of such a stain.
In particular, the following findings make this work a valuable contribution to the field of plant immunobiology: a) The demonstration of physical interaction of a fungal effector with an NLR receptor subunit.
Stilian Petrov gave a similar demonstration of physical and mental imbalance when Larsson's cut-back, from Maloney's cross on the left, gave him the chance to drive the ball into an unprotected net.
In a remarkable demonstration of physical acting from the talented Drigan Lee, he cowers there helplessly until Susan coaxes him out and slowly gets him upright again, improvising a relaxation regimen from her years of yoga classes.
Lt Gen Urch, who oversaw military involvement in the clean-up, said the "slow, deliberate and detailed" operation had been "an amazing demonstration of physical and mental courage".
